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Hayward filter cartridges compatible filters

 
Cross-References:   Pleatco PA100-M   • Unicel C-8610RA   • Filbur FC-1290M
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 1/2"
Length:   23 1/8"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY Antimicrobial:   3 oz/yard
Filter Area:  100 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-01082
Manufacturer:   Pleatco
Price:  $94.95    

Case Price:  $83.95    
(Case of 2 filters - Cost: $167.90)  
 

The above filter is available with 3 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA100   • Unicel C-8610   • Filbur FC-1290   • SD-00103)

Hayward filter cartridges
Click For Details
Price:  $85.95    

Case Price:  $75.95    
(Case of 2 filters - Cost: $151.90)  

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA100-4   • SD-00550)

Hayward filter cartridges
Click For Details
Price:  $100.95    

Case Price:  $88.95    
(Case of 2 filters - Cost: $177.90)  
 


 
Cross-References:   Pleatco PA131   • Unicel C-7494   • Filbur FC-1227
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   32 3/4"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  131 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-01063
Manufacturer:   Pleatco
Price:  $92.95    

Case Price:  $81.95    
(Case of 2 filters - Cost: $163.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA131-4   • SD-01064)

Hayward filter cartridges
Click For Details
Price:  $121.95    

Case Price:  $107.95    
(Case of 2 filters - Cost: $215.90)  
 


 
Cross-References:   Pleatco PA190   • Unicel C-8420   • Filbur FC-1211
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   28 3/8"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  190 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-01065
Manufacturer:   Pleatco
Price:  $132.95    

Case Price:  $117.95    
(Case of 2 filters - Cost: $235.90)  
 


 
Cross-References:   Pleatco PA50-M   • Unicel C-7656RA   • Filbur FC-1240M
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   19 3/4"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY Antimicrobial:   3 oz/yard
Filter Area:  50 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-01061
Manufacturer:   Pleatco
Price:  $46.95    

Case Price:  $41.95    
(Case of 2 filters - Cost: $83.90)  
 

The above filter is available with 3 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA50   • Unicel C-7656   • Filbur FC-1240   • SD-00096)

Hayward filter cartridges
Click For Details
Price:  $42.95    

Case Price:  $37.95    
(Case of 2 filters - Cost: $75.90)  

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA50-4   • SD-00754)

Hayward filter cartridges
Click For Details
Price:  $57.95    

Case Price:  $50.95    
(Case of 2 filters - Cost: $101.90)  
 


 
Cross-References:   Pleatco PA50SV-M   • Unicel C-7447RA   • Filbur FC-1235M
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   14 3/16"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY Antimicrobial:   3 oz/yard
Filter Area:  50 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-01078
Manufacturer:   Pleatco
Price:  $43.95    

Case Price:  $37.95    
(Case of 2 filters - Cost: $75.90)  
 

The above filter is available with 3 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA50SV   • Unicel C-7447   • Filbur FC-1235   • SD-00095)

Hayward filter cartridges
Click For Details
Price:  $39.95    

Case Price:  $34.95    
(Case of 2 filters - Cost: $69.90)  

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA50SV-4   • Unicel C-7447   • Filbur FC-1235   • SD-01002)

Hayward filter cartridges
Click For Details
Price:  $51.95    

Case Price:  $45.95    
(Case of 2 filters - Cost: $91.90)  
 


 
Cross-References:   Pleatco PA56SV   • Unicel C-7458   • Filbur FC-1223
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   13 7/8"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  56 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-01079
Manufacturer:   Pleatco
Price:  $37.95    

Case Price:  $33.95    
(Case of 4 filters - Cost: $135.80)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA56SV-4   • Unicel C-7458   • Filbur FC-1223   • SD-01080)

Hayward filter cartridges
Click For Details
Price:  $45.95    

Case Price:  $40.95    
(Case of 4 filters - Cost: $163.80)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA56SV-M   • Unicel C-7458RA   • Filbur FC-1223M   • SD-01081)

Hayward filter cartridges
Click For Details
Price:  $47.95    

Case Price:  $41.95    
(Case of 4 filters - Cost: $167.80)  
 


 
Cross-References:   Pleatco PA80-M   • Unicel C-8600RA   • Filbur FC-1280M
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 1/2"
Length:   17 3/8"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY Antimicrobial:   3 oz/yard
Filter Area:  75 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-01062
Manufacturer:   Pleatco
Price:  $72.95    

Case Price:  $63.95    
(Case of 2 filters - Cost: $127.90)  
 

The above filter is available with 3 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA80   • Unicel C-8600   • Filbur FC-1280   • SD-00102)

Hayward filter cartridges
Click For Details
Price:  $65.95    

Case Price:  $58.95    
(Case of 2 filters - Cost: $117.90)  

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA80-4   • SD-00547)

Hayward filter cartridges
Click For Details
Price:  $80.95    

Case Price:  $71.95    
(Case of 2 filters - Cost: $143.90)  
 


 
Cross-References:   Pleatco PA100N   • Unicel C-7487   • Filbur FC-1270
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   25 1/2"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  100 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00100
Manufacturer:   Pleatco
Price:  $71.95    

Case Price:  $63.95    
(Case of 2 filters - Cost: $127.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA100N-4   • SD-00551)

Hayward filter cartridges
Click For Details
Price:  $93.95    

Case Price:  $82.95    
(Case of 2 filters - Cost: $165.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA100N-M   • Unicel C-7487RA   • Filbur FC-1270M   • SD-01008)

Hayward filter cartridges
Click For Details
Price:  $80.95    

Case Price:  $70.95    
(Case of 2 filters - Cost: $141.90)  
 


 
Cross-References:   Pleatco PA106   • Unicel C-7488   • Filbur FC-1226
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   25 1/2"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  106 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00366
Manufacturer:   Pleatco
Price:  $75.95    

Case Price:  $66.95    
(Case of 2 filters - Cost: $133.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA106-4   • SD-01010)

Hayward filter cartridges
Click For Details
Price:  $96.95    

Case Price:  $85.95    
(Case of 2 filters - Cost: $171.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA106-M   • Unicel C-7488RA   • Filbur FC-1226M   • SD-01009)

Hayward filter cartridges
Click For Details
Price:  $84.95    

Case Price:  $74.95    
(Case of 2 filters - Cost: $149.90)  
 


 
Cross-References:   Pleatco PA112   • Unicel C-7489   • Filbur FC-1275
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   25 1/2"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  112 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00101
Manufacturer:   Pleatco
Price:  $80.95    

Case Price:  $70.95    
(Case of 2 filters - Cost: $141.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA112-4   • SD-01011)

Hayward filter cartridges
Click For Details
Price:  $102.95    

Case Price:  $90.95    
(Case of 2 filters - Cost: $181.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA112-M   • Unicel C-7489RA   • Filbur FC-1275M   • SD-01083)

Hayward filter cartridges
Click For Details
Price:  $89.95    

Case Price:  $79.95    
(Case of 2 filters - Cost: $159.90)  
 


 
Cross-References:   Pleatco PA12   • Unicel C-4312   • Filbur FC-1210
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 2 1/16" Open 2 1/16"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   4 5/8"
Length:   11 7/8"
Top:   Open Hole:   2 1/16"
Bottom:   Open Hole:   2 1/16"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  12 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00089
Manufacturer:   Pleatco
Price:  $14.95    

Case Price:  $12.95    
(Case of 6 filters - Cost: $77.70)  
 


 
Cross-References:   Pleatco PA120   • Unicel C-8412   • Filbur FC-1293
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   23 1/4"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  120 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00105
Manufacturer:   Pleatco
Price:  $95.95    

Case Price:  $84.95    
(Case of 2 filters - Cost: $169.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA120-4   • SD-00552)

Hayward filter cartridges
Click For Details
Price:  $117.95    

Case Price:  $103.95    
(Case of 2 filters - Cost: $207.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA120-M   • Unicel C-8412RA   • Filbur FC-1293M   • SD-01084)

Hayward filter cartridges
Click For Details
Price:  $104.95    

Case Price:  $92.95    
(Case of 2 filters - Cost: $185.90)  
 


 
Cross-References:   Pleatco PA125   • Unicel C-9499   • Filbur FC-1299
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   19 5/8"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  125 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00111
Manufacturer:   Pleatco
Price:  $92.95    

Case Price:  $81.95    
(Case of 2 filters - Cost: $163.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA125-4   • SD-00553)

Hayward filter cartridges
Click For Details
Price:  $121.95    

Case Price:  $107.95    
(Case of 2 filters - Cost: $215.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA125-M   • Unicel C-9499RA   • Filbur FC-1299M   • SD-00554)

Hayward filter cartridges
Click For Details
Price:  $101.95    

Case Price:  $89.95    
(Case of 2 filters - Cost: $179.90)  
 


 
Cross-References:   Pleatco PA126   • Unicel C-7495   • Filbur FC-1296
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   32 7/8"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  126 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00108
Manufacturer:   Pleatco
Price:  $89.95    

Case Price:  $78.95    
(Case of 2 filters - Cost: $157.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA126-4   • SD-01012)

Hayward filter cartridges
Click For Details
Price:  $115.95    

Case Price:  $102.95    
(Case of 2 filters - Cost: $205.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA126-M   • Unicel C-7495RA   • Filbur FC-1296M   • SD-01085)

Hayward filter cartridges
Click For Details
Price:  $101.95    

Case Price:  $89.95    
(Case of 2 filters - Cost: $179.90)  
 


 
Cross-References:   Pleatco PA137   • Unicel C-7490   • Filbur FC-1297
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   32 3/4"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  137 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00109
Manufacturer:   Pleatco
Price:  $97.95    

Case Price:  $86.95    
(Case of 2 filters - Cost: $173.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA137-4   • SD-00555)

Hayward filter cartridges
Click For Details
Price:  $123.95    

Case Price:  $109.95    
(Case of 2 filters - Cost: $219.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA137-M   • Unicel C-7490RA   • Filbur FC-1297M   • SD-01013)

Hayward filter cartridges
Click For Details
Price:  $108.95    

Case Price:  $96.95    
(Case of 2 filters - Cost: $193.90)  
 


 
Cross-References:   Pleatco PA175   • Unicel C-8417   • Filbur FC-1294
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   28 3/16"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  175 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00106
Manufacturer:   Pleatco
Price:  $130.95    

Case Price:  $115.95    
(Case of 2 filters - Cost: $231.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA175-4   • SD-00556)

Hayward filter cartridges
Click For Details
Price:  $160.95    

Case Price:  $142.95    
(Case of 2 filters - Cost: $285.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA175-M   • Unicel C-8417RA   • Filbur FC-1294M   • SD-00557)

Hayward filter cartridges
Click For Details
Price:  $145.95    

Case Price:  $129.95    
(Case of 2 filters - Cost: $259.90)  
 


 
Cross-References:   Pleatco PA20-4   • Unicel C-4320   • Filbur FC-1215
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 2 1/16" Open 2 1/16"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   4 5/8"
Length:   11 7/8"
Top:   Open Hole:   2 1/16"
Bottom:   Open Hole:   2 1/16"
Filter Media:  REEMAY:   4 oz/yard
Filter Area:  20 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00061
Manufacturer:   Pleatco
Price:  $19.95    

Case Price:  $17.95    
(Case of 6 filters - Cost: $107.70)  
 


 
Cross-References:   Pleatco PA225-4   • Unicel C-4325   • Filbur FC-1220
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 2 1/16" Open 2 1/16"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   4 5/8"
Length:   11 7/8"
Top:   Open Hole:   2 1/16"
Bottom:   Open Hole:   2 1/16"
Filter Media:  REEMAY:   4 oz/yard
Filter Area:  25 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00060
Manufacturer:   Pleatco
Price:  $20.95    

Case Price:  $17.95    
(Case of 6 filters - Cost: $107.70)  
 

The above filter is available with 4 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA225-M4   • Unicel C-4325RA   • Filbur FC-1220M   • SD-01014)

Hayward filter cartridges
Click For Details
Price:  $27.95    

Case Price:  $23.95    
(Case of 6 filters - Cost: $143.70)  
 


 
Cross-References:   Pleatco PA25-4   • Unicel C-7626   • Filbur FC-1230
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   9 11/16"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   4 oz/yard
Filter Area:  25 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00055
Manufacturer:   Pleatco
Price:  $28.95    

Case Price:  $25.95    
(Case of 4 filters - Cost: $103.80)  
 

The above filter is available with 4 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA25-M4   • Unicel C-7626RA   • Filbur FC-1230M   • SD-00544)

Hayward filter cartridges
Click For Details
Price:  $31.95    

Case Price:  $27.95    
(Case of 4 filters - Cost: $111.80)  
 


 
Cross-References:   Pleatco PA40   • Unicel C-7442   • Filbur FC-1228
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   14 1/16"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  40 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00092
Manufacturer:   Pleatco
Price:  $34.95    

Case Price:  $30.95    
(Case of 4 filters - Cost: $123.80)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA40-4   • SD-00545)

Hayward filter cartridges
Click For Details
Price:  $45.95    

Case Price:  $39.95    
(Case of 4 filters - Cost: $159.80)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA40-M   • Unicel C-7442RA   • Filbur FC-1228M   • SD-01001)

Hayward filter cartridges
Click For Details
Price:  $39.95    

Case Price:  $34.95    
(Case of 4 filters - Cost: $139.80)  
 


 
Cross-References:   Pleatco PA40SF   • Unicel C-8340   • Filbur FC-1295
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Handle Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 1/2"
Length:   10 3/4"
Top:   Handle
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  40 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00107
Manufacturer:   Pleatco
Price:  $52.95    

Case Price:  $45.95    
(Case of 4 filters - Cost: $183.80)  
 


 
Cross-References:   Pleatco PA55   • Unicel C-7455   • Filbur FC-1245
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   19 3/4"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  55 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00097
Manufacturer:   Pleatco
Price:  $46.95    

Case Price:  $40.95    
(Case of 2 filters - Cost: $81.90)  
 


 
Cross-References:   Pleatco PA75   • Unicel C-7676   • Filbur FC-1250
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   29 3/8"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  75 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00098
Manufacturer:   Pleatco
Price:  $62.95    

Case Price:  $55.95    
(Case of 2 filters - Cost: $111.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA75-4   • SD-00755)

Hayward filter cartridges
Click For Details
Price:  $79.95    

Case Price:  $70.95    
(Case of 2 filters - Cost: $141.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA75-M   • Unicel C-7676RA   • Filbur FC-1250M   • SD-01003)

Hayward filter cartridges
Click For Details
Price:  $68.95    

Case Price:  $60.95    
(Case of 2 filters - Cost: $121.90)  
 


 
Cross-References:   Pleatco PA75SV   • Unicel C-7477   • Filbur FC-1260
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   19 3/4"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  75 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00099
Manufacturer:   Pleatco
Price:  $54.95    

Case Price:  $47.95    
(Case of 2 filters - Cost: $95.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA75SV-4   • SD-00546)

Hayward filter cartridges
Click For Details
Price:  $73.95    

Case Price:  $65.95    
(Case of 2 filters - Cost: $131.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA75SV-M   • Unicel C-7477RA   • Filbur FC-1260M   • SD-01004)

Hayward filter cartridges
Click For Details
Price:  $62.95    

Case Price:  $55.95    
(Case of 2 filters - Cost: $111.90)  
 


 
Cross-References:   Pleatco PA76   • Unicel C-8411   • Filbur FC-1256
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   17 3/8"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  75 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00369
Manufacturer:   Pleatco
Price:  $67.95    

Case Price:  $59.95    
(Case of 2 filters - Cost: $119.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA76-4   • SD-01005)

Hayward filter cartridges
Click For Details
Price:  $78.95    

Case Price:  $69.95    
(Case of 2 filters - Cost: $139.90)  
 


 
Cross-References:   Pleatco PA81   • Unicel C-7483   • Filbur FC-1225
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   19 3/4"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   4 oz/yard
Filter Area:  81 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00365
Manufacturer:   Pleatco
Price:  $56.95    

Case Price:  $49.95    
(Case of 2 filters - Cost: $99.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA81-4   • SD-00825)

Hayward filter cartridges
Click For Details
Price:  $77.95    

Case Price:  $68.95    
(Case of 2 filters - Cost: $137.90)  
 


 
Cross-References:   Pleatco PA85   • Unicel C-9485   • Filbur FC-1298
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   14 3/16"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  85 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00110
Manufacturer:   Pleatco
Price:  $64.95    

Case Price:  $56.95    
(Case of 2 filters - Cost: $113.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA85-4   • SD-00548)

Hayward filter cartridges
Click For Details
Price:  $82.95    

Case Price:  $72.95    
(Case of 2 filters - Cost: $145.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA85-M   • Unicel C-9485RA   • Filbur FC-1298M   • SD-01006)

Hayward filter cartridges
Click For Details
Price:  $71.95    

Case Price:  $63.95    
(Case of 2 filters - Cost: $127.90)  
 


 
Cross-References:   Pleatco PA90   • Unicel C-8409   • Filbur FC-1292
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   17 3/8"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  90 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00104
Manufacturer:   Pleatco
Price:  $71.95    

Case Price:  $63.95    
(Case of 2 filters - Cost: $127.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PA90-4   • SD-00549)

Hayward filter cartridges
Click For Details
Price:  $89.95    

Case Price:  $79.95    
(Case of 2 filters - Cost: $159.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PA90-M   • Unicel C-8409RA   • Filbur FC-1292M   • SD-01007)

Hayward filter cartridges
Click For Details
Price:  $79.95    

Case Price:  $70.95    
(Case of 2 filters - Cost: $141.90)  
 


 
Cross-References:   Pleatco PCM100SV   • Unicel C-7499   • Filbur FC-0650
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3" Open 3"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   7"
Length:   29 3/8"
Top:   Open Hole:   3"
Bottom:   Open Hole:   3"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  100 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00367
Manufacturer:   Pleatco
Price:  $73.95    

Case Price:  $65.95    
(Case of 2 filters - Cost: $131.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PCM100SV-4   • SD-00062)

Hayward filter cartridges
Click For Details
Price:  $95.95    

Case Price:  $84.95    
(Case of 2 filters - Cost: $169.90)  
 


 
Cross-References:   Pleatco PRW150   • Unicel C-8315   • Filbur FC-3575
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 3 1/8" Open 2 3/16"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 1/2"
Length:   22 11/16"
Top:   Open Hole:   3 1/8"
Bottom:   Open Hole:   2 3/16"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  150 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00298
Manufacturer:   Pleatco
Price:  $103.95    

Case Price:  $91.95    
(Case of 2 filters - Cost: $183.90)  
 


 
Cross-References:   Pleatco PWWCT75   • Unicel C-8411   • Filbur FC-1255
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   17 3/8"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  75 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00718
Manufacturer:   Pleatco
Price:  $66.95    

Case Price:  $58.95    
(Case of 2 filters - Cost: $117.90)  
 

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PWWCT75-M   • Unicel C-8411RA   • Filbur FC-1255M   • SD-01142)

Hayward filter cartridges
Click For Details
Price:  $81.95    

Case Price:  $71.95    
(Case of 2 filters - Cost: $143.90)  
 


 
Cross-References:   Pleatco PWWPC200
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   28 1/4"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  200 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00372
Manufacturer:   Pleatco
Price:  $125.95    

Case Price:  $111.95    
(Case of 2 filters - Cost: $223.90)  
 

The above filter is available with 4 oz/yd Standard filtration material:
(Cross-References:   Pleatco PWWPC200-4   • SD-00744)

Hayward filter cartridges
Click For Details
Price:  $168.95    

Case Price:  $149.95    
(Case of 2 filters - Cost: $299.90)  

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PWWPC200-M   • Unicel C-8420RA   • Filbur FC-1211M   • SD-00743)

Hayward filter cartridges
Click For Details
Price:  $166.95    

Case Price:  $147.95    
(Case of 2 filters - Cost: $295.90)  
 


 
Cross-References:   Pleatco PXST100   • Unicel C-8311   • Filbur FC-1285
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   17 3/8"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  100 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00370
Manufacturer:   Pleatco
Price:  $76.95    

Case Price:  $67.95    
(Case of 2 filters - Cost: $135.90)  
 

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PXST100-M   • Unicel C-8311RA   • Filbur FC-1285M   • SD-00745)

Hayward filter cartridges
Click For Details
Price:  $81.95    

Case Price:  $71.95    
(Case of 2 filters - Cost: $143.90)  
 


 
Cross-References:   Pleatco PXST125
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   17 3/8"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  125 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00746
Manufacturer:   Pleatco
Price:  $89.95    

Case Price:  $78.95    
(Case of 2 filters - Cost: $157.90)  
 

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PXST125-M   • SD-00747)

Hayward filter cartridges
Click For Details
Price:  $93.95    

Case Price:  $82.95    
(Case of 2 filters - Cost: $165.90)  
 


 
Cross-References:   Pleatco PXST150    • Unicel C-8316   • Filbur FC-1286
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   23 1/4"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  150 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00371
Manufacturer:   Pleatco
Price:  $104.95    

Case Price:  $92.95    
(Case of 2 filters - Cost: $185.90)  
 

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PXST150-M   • Unicel C-8316RA   • Filbur FC-1286M   • SD-00748)

Hayward filter cartridges
Click For Details
Price:  $114.95    

Case Price:  $101.95    
(Case of 2 filters - Cost: $203.90)  
 


 
Cross-References:   Pleatco PXST175   • Unicel C-8317
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   23 1/4"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  175 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00391
Manufacturer:   Pleatco
Price:  $114.95    

Case Price:  $101.95    
(Case of 2 filters - Cost: $203.90)  
 

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PXST175-M   • Unicel C-8317RA   • Filbur FC-1287M   • SD-00749)

Hayward filter cartridges
Click For Details
Price:  $127.95    

Case Price:  $113.95    
(Case of 2 filters - Cost: $227.90)  
 


 
Cross-References:   Pleatco PXST200   • Unicel C-8319   • Filbur FC-1288
Hayward filter cartridges
Top View: Bottom View:
Hayward filter cartridges  top - Click on picture for larger top image Hayward filter cartridges  bottom - Click on picture for larger top image
Open 4" Open 4"
   Filter Specifications:   (Click For Measuring Tips)
Diameter:   8 15/16"
Length:   29 5/16"
Top:   Open Hole:   4"
Bottom:   Open Hole:   4"
Filter Media:  REEMAY:   3 oz/yard
Filter Area:  200 sq. feet
Core:  Pleatco Free-Flow Core  (What's This?)
Our Part #:   SD-00849
Manufacturer:   Pleatco
Price:  $138.95    

Case Price:  $122.95    
(Case of 2 filters - Cost: $245.90)  
 

The above filter is available with 3 oz/yd Antimicrobial filtration material:
(Cross-References:   Pleatco PXST200-M   • Unicel C-8319RA   • Filbur FC-1288M   • SD-00750)

Hayward filter cartridges
Click For Details
Price:  $147.95    

Case Price:  $130.95    
(Case of 2 filters - Cost: $261.90)  
 








Customer Favorite!
Cense oxygen infused aroma shock will change the way you view your spa or hot tub experience forever Scented Chlorine Free Shock

Our Price:
$19.95
Cense oxygen infused aroma shock will change the way you view your spa or hot tub experience forever
Is your water safe?
Instantly check for the presence of bacteria in your pool or spa water Watersafe Rapid Bacteria Test Strips

Our Price:
$29.95
Instantly check for the presence of bacteria in your pool or spa water
Spa-Daddy Recommends:
The simplest most effective filter cleaning tool on the market. Filter Flosser

Our Price:
$29.95
The simplest most effective filter cleaning tool on the market.

Can't find Your Filter?
If you can't find your filter here we recommend that you measure your existing filter and use our "Filter Finder: By Size page"
(We call this the fool-proof method, because it always works).



The filters we sell are manufactured by Pleatco,
and are the best built most durable filter available.



Filter Cartridge Cleaning and Maintenance

At some point in time (usually about one year) filters need to be replaced. Finding the correct replacement filters can be a chore, so we make it easy. Just go to our 3 Easy Ways To Identify Your Pool or Spa Filter Page to quickly find the correct replacement for your existing filter.

How can I tell when a Filter Cartridge needs to be replaced? With no moving parts or electrical switches to fail, Filters Cartridges do not have a defined end-of-life. Instead media will gradually plug up over time.

In a typical spa, the culprit that plugs the media is perspiration and body oils combined with soaps, chemicals and very fine particulate. In a swimming pool, the loading is primarily debris along with suntan lotions and organic matter such as algae.

Assuming the Filter is properly maintained and correctly sized to the pump, determining when the Filter Cartridge is exhausted depends primarily upon three factors:

  1. Shorter cycle time between cleanings
  2. Low water flow rate and high differential pressure
  3. Catastrophic failure such as a tear in the media or center core collapse

All three are dependent upon proper pool or spa water chemistry and following a routine maintenance schedule. Filter elements are plastic and should be handled and maintained accordingly.

How do I maximize the life of a filter cartridge? •  Clean the elements per manufacturers cleaning instructions
•  Never use a stiff brush to clean the media
•  Maintain your pool or spa water chemistry in proper balance
•  Alternate two sets of filter crtridges when cleaning

For swimming pools, clean the cartridge when filter canister pressure reaches 8 PSI above the initial system or new cartridge starting pressure. For spas, establish a routine cartridge cleaning schedule based on the amount of spa usage. If Baquacil is used as a sanitizer, the filter element must be cleaned with Baqua Clean before any cartridge cleaner is used.

How do I clean my filter cartridge?

  1. Remove the cartridge from the filter housing following the manufacturer's instructions

  2. Use a garden hose with a straight flow nozzle to wash down the filter element.Work from the top down, holding the nozzle at a 45 degree angle, and wash all the pleats with emphasis between the pleats. We use our Filter Flosser, the best cleaning tool on the market.

    IMPORTANT: DO NOT use a stiff brush as this will damage your filter.

  3. Rinse until all dirt and debris is gone

  4. For all spa cartridges and elements used in swimming pools where perspiration, suntan lotions, and other oils are present, soak the element for at least one hour (overnight is most effective) in a commercial filter cleaner.

  5. Rinse the cartridge again to remove oils and cleaning solution.

  6. If the filter has a coating of algae, calcium carbonate (residue from calcium hypo chlorite), iron, or other minerals, soak the cartridge in a solution of one part muriatic acid to twenty parts water until all bubbling stops.

    If Baquacil is used as a sanitizer, the filter element must be cleaned with Baqua Clean before any cartridge cleaner is used.

  7. Rinse the filter cartridge clean and reassemble housing.


What are the different types of filtration for a Pool or Spa? There is a lot of confusion about various filters, and many different opinions. Here are a few facts to consider. The first is that a pool can be properly maintained with any of the filter systems available: Filter Cartridge, Sand or Diatomaceous Earth Swimming Pool Filter Systems. Here is a brief description of each type:

  • Filter Cartridge (The economic low maintenance filter).
    This one is easy to understand. Water passes though a filter material and the filter captures the debris. This is just like the water filters used under your sink. Cartridges have much more available area to filter than sand. Most start at 50 Sq.ft and the majority of the cartridge filters sold are larger than 100 Sq.ft. Cartridge Filters are designed to run at lower pressure than sand. This puts less back-pressure on the pump and hence you get more flow and turnover for an equivalent pump size. Generally these filters have to be cleaned once or twice a season by simply hosing them off, so you don't touch them as often. In terms of particle size filtered out, cartridge is somewhere between sand and DE.

  • Sand (The older style filter)
    Water is pushed through a bed of filter sand and removed through a set of lateral tubes at the bottom. The filter area of a sand filter is equal to the area of the filter itself. For example, a 24" filter will have 3.14 sqft of filter area. Only the top 1" of sand is actually used to filter the water. The principle behind this filter is that water is pushed through the filter sand, somewhat like an espresso machine. Dirty water goes in the top and clean water exits out the bottom.

    As the filter sand becomes plugged with debris from the pool, the pressure increases on the filter and the water flow drops. In order to clean the filter, you just run it in reverse and dump the waste water; this is referred to as "back washing" the filter. Once the filter is back washed, you move to the rinse mode and that repacks the sand and then back to filter. This has to be done manually every few weeks. From a hydraulics standpoint, a backwash valve is typically the most inefficient piece of equipment you can add to a swimming pool system. Should the sand ever become really dirty, it is easily and inexpensively replaced. In terms of particle size filtered out, sand is the lease effective method - it can allow smaller particles to pass back into the pool.

  • DE (Low-usage alternative)
    Diatomaceous earth is mined and is the fossilized exoskeletons of tiny diatoms. They are used to coat "grids" in the filter housing and act as tiny sieves to remove debris. They are very small and as such can filter out particles as small as 5 microns. Diatom filter area are sized between sand and cartridge - around 60-70 sq ft are most common. Once the filter pressure rises, the filter is back washed just like a sand filter and then "recharged" with more DE powder. Typically it is poured in a slurry into the skimmer and it then coats the filter grids. DE filters run at higher pressures than cartridge filters and as such can lead to some inefficiency and flow loss.

    NOTE* Spa-Daddy does not recommend the use of diatomaceous earth (DE) with cartridge filters. DE Particles will become trapped in the body of the media and shorten cartridge life.
    (Resource: Ray Cronise: about.com)

 

 

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