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Harmsco Water Filters

Harmsco ® Pool and Spa Replacement Water Filters

Pool Filters By Pool Manufactures Index

Spa Filters By Spa Manufacturers Index

  1. Harmsco ® H-4326-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-4326-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-4326-AM Antimicrobial Replacement Pool Water Filter Cartridge - Step up to Premium Antimicrobial Construction. Cross reference RA25TC-3, Unicel C-4625 - C-4326, Pleatco PRB 25-IN, Filbur FC 4375 - FC 2375. 13 3/8 inches height x 4 15/16 inches diameter. Learn More
    $37.99 Special Price $26.99 As low as $23.99
  2. Harmsco ® H-4335 Replacement Water Filter Cartridge
    Harmsco ® H-4335 Replacement Water Filter Cartridge
    Harmsco ® H-4335 Replacement Water Filter Cartridge - Rainbow 35 sq.ft. Replaces RA35TC / C-4335 / PRB35-IN. 9 3/16" length X 5" diameter. Learn More
    $26.99
  3. Harmsco ® H-4607 Replacement Water Filter Cartridge
    Harmsco ® H-4607 Replacement Water Filter Cartridge
    Harmsco ® H-4607 Pleated Replacement Water Filter Cartridge - For F120 & DR7. Repalces F120TC / C-4607 / PC7-120 Coleco with core. 5 sq.ft. 7 15/16" length x 4 1/4" diameter. Learn More
    $12.99 Special Price $7.99 As low as $6.29
  4. Harmsco ® H-4950 Replacement Water Filter Cartridge
    Harmsco ® H-4950 Replacement Water Filter Cartridge
    Harmsco ® H-4950 Replacement Water Filter Cartridge - Unicel cross reference # C-4950. RA50TC-3 & PRB50-IN. Rainbow 50 sq.ft. 13 3/8 inches height x 4 15/16 inches diameter. Learn More
    $38.99 Special Price $26.99 As low as $23.99
  5. Harmsco ® H-4950-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-4950-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-4950 Replacement Water Filter Cartridge - Unicel cross reference # C-4950. RA50TC-3 & PRB50-IN. Rainbow 50 sq.ft. 13 3/8 inches height x 4 15/16 inches diameter. Learn More
    $39.99 Special Price $28.99 As low as $26.99
  6. Harmsco ® H-6430 Replacement Water Filter Cartridge
    Harmsco ® H-6430 Replacement Water Filter Cartridge
    Harmsco ® H-6430 Replacement Spa Water Filter Cartridge - Replaces WA30TC-3, C-6430 & PWK30. Watkins 30 sq.ft. Fits all models starting from 1991. 10 1/2" height X 6" diameter. Learn More
    $36.99 Special Price $24.99 As low as $22.99
  7. Harmsco ® H-7447 Replacement Water Filter Cartridge
    Harmsco ® H-7447 Replacement Water Filter Cartridge
    Harmsco ® H-7447 Replacement Water Filter Cartridge - Replaces CX470-RE, C-7447 & PA50-SV. Hayward 50 sq.ft., Sta-Rite PRC50. Learn More
  8. Harmsco ® H-7477 Replacement Water Filter Cartridge
    Harmsco ® H-7477 Replacement Water Filter Cartridge
    Harmsco ® H-7477 Replacement Water Filter Cartridge - Hayward 75 sq.ft. Sta-Rite PRC 75 compatible. Replaces CX570-RE / C-7477 / PA75-SV. Learn More
    $99.99 Special Price $58.99 As low as $54.99
  9. Harmsco ® H-7487 Replacement Water Filter Cartridge
    Harmsco ® H-7487 Replacement Water Filter Cartridge
    Harmsco ® H-7487 Replacement Water Filter Cartridge - Replaces CX870-RE, C-7487 & PA100-N. Hayward 100 sq.ft.. 25 1/2 height x 6 7/8 diameter. Learn More
    $119.99 Special Price $72.99 As low as $69.29
  10. Harmsco ® H-7626 Replacement Water Filter Cartridge
    Harmsco ® H-7626 Replacement Water Filter Cartridge
    Harmsco ® H-7626 Replacement Water Filter Cartridge - Replaces HA25TC-3, C-7626 & PA25. Hayward CX250-RE 25 sq.ft. Learn More
    $39.99 Special Price $27.99 As low as $24.99
  11. Harmsco ® H-7656 Replacement Water Filter Cartridge
    Harmsco ® H-7656 Replacement Water Filter Cartridge
    Harmsco ® H-7656 Replacement Water Filter Cartridge - Replaces HA50TC-3, C-7656 & PA50. Hayward CX500-RE, 50 sq.ft. 19 3/4 height X 6 4/8 diameter. Learn More
    $79.99 Special Price $46.99 As low as $43.99
  12. Harmsco ® H-8409-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-8409-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-8409-AM Antimicrobial Replacement Water Filter Cartridge - Step up to Premium Quality Of Antimicrobial Construction. Replaces HA90TC-3, C-8409 & PA90. Hayward CX900 RE. 90 sq.ft. 17 5/16" height X 8 7/8" diameter. Learn More
    $129.99 Special Price $84.99 As low as $79.99
  13. Harmsco ® H-8412-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-8412-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-8412-AM Antimicrobial Replacement Water Filter Cartridge - Replaces HA120TC-3, C-8412 & PA120. Hayward 120 sq.ft. CX1200-RE. #0296 Step up to Premium Antimicrobial Construction. You deserve the best. Learn More
    $129.99 Special Price $99.99 As low as $93.99
  14. Harmsco ® H-8600 Replacement Water Filter Cartridge
    Harmsco ® H-8600 Replacement Water Filter Cartridge
    Harmsco ® H-8600 Replacement Water Filter Cartridge - Replaces HA80TC-3, C-8600 & PA80 and Hayward CX800-RE. 75 sq.ft. 17 1/2 height X 8 1/2 diameter. Learn More
    $99.99 Special Price $67.99 As low as $62.99
  15. Harmsco ® H-8600-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-8600-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-8600-AM Antimicrobial Replacement Pool Water Filter Cartridge - Step up to Premium Antimicrobial Construction. Cross reference HA8OTC-3, Unicel #C-8600, Pleatco # PA 80 and Filbur # FC 1280. 17 1/2 inches height x 8 1/2 inches diameter. Learn More
    $139.99 Special Price $79.99 As low as $74.99
  16. Harmsco ® H-9401 Replacement Water Filter Cartridge
    Harmsco ® H-9401 Replacement Water Filter Cartridge
    Harmsco ® H-9401 Replacement Water Filter Cartridge - Replaces PWW 75 & C-9401. REC Warehouse Waterway 75 sq.ft. 13 1/8 height x 9 7/8 diameter. Learn More
    $89.99 Special Price $67.99 As low as $62.99
  17. Harmsco ® H-9402-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-9402-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-9402-AM Antimicrobial Replacement Water Filter Cartridge - Step up to Premium Quality Of Antimicrobial Construction. Replaces PWW 100 & C-9402. REC Warehouse Waterway 100 sq.ft. 19 5/16 X 9 15/16 diameter. Learn More
    $92.99
  18. Harmsco ® H-9403-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-9403-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-9403-AM Antimicrobial Replacement Water Filter Cartridge - Step up to Premium Quality Antimicrobial Construction. Replaces PWW150 & C-9403. REC Warehouse Waterway 150 sq.ft. 25 height x 10 diameter. Learn More
    $159.99 Special Price $119.99 As low as $108.75
  19. Harmsco ® H-9415-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-9415-AM Antimicrobial Replacement Water Filter Cartridge
    Harmsco ® H-9415-AM Sure Safe Antimicrobial Replacement Water Filter Cartridge - Replaces APP150TC-4 & C-9415. Pentair American Products Clean & Clear Predator. 150 SQ.FT. 31 height X 10 diameter. Step up to Premium Antimicrobial Construction For Best Filtration. Learn More
    $149.99 Special Price $119.99 As low as $108.78
  20. Harmsco-HC-90-5  Harmsco HC/90-5 5 Micron Hurricane 90 Filter Cartridge
    Harmsco-HC-90-5 Harmsco HC/90-5 5 Micron Hurricane 90 Filter Cartridge
    Harmsco HC/90-5 5 Micron Hurricane 90 Filter Cartridge Learn More
    $119.99 Special Price $84.99
  21. Harmsco ® OTC/6-4 Replacement Water Filter
    Harmsco ® OTC/6-4 Replacement Water Filter
    Harmsco ® OTC/6-4 Water Filter - Harmsco Bestfilter Cluster water filter cartridges. Tropi-Clean. 20 microns nominal. 6 sq.ft. nominal 9 3/4 height x 2 3/4 diameter. PT. NO. OTC/6-4 Learn More
    $8.99 Special Price $6.99 As low as $6.24
  22. Harmsco ® ST/105 Water Filter
    Harmsco ® ST/105 Water Filter
    Harmsco ® ST/105 Water Filter - Fits Bestfilter BF-105. Filbur cross reference # FC 6110. 19 1/2" height. Learn More
    $139.99 Special Price $89.99 As low as $79.99
  23. Harmsco ® ST-155 Replacement Water Filter
    Harmsco ® ST-155 Replacement Water Filter
    Harmsco ® ST-155 Water Filter - Fits Best Filter model BF155. Filbur cross reference number FC 6115. 29 1/16" height. Learn More
    $159.99 Special Price $122.99 As low as $114.99
  24. Harmsco ® ST-6 Replacement Water Filter
    Harmsco ® ST-6 Replacement Water Filter
    Harmsco ® ST-6 Water Filter - Harmsco Bestfilter cluster water filter cartridges. 9 3/4" height Learn More
    $8.99 Special Price $5.99 As low as $4.59
  25. Harmsco ® TC-155 Water Filter
    Harmsco ® TC-155 Water Filter
    Harmsco ® TC-155 Water Filter - Better Filter Cross Reference #BF155. Filbur cross reference # FC 6115. 29 1/16 height X 8" diameter. #0303 Learn More
    $149.99 Special Price $119.99 As low as $109.99
  26. Pool and Spa Bacteria Tests
    Pool and Spa Bacteria Tests
    2 Pool And Spa Bacteria Tests Per Package. Easy to use. Do it yourself. Results in 20 minutes. Test for harmful bacteria for safety. Learn More
    $22.99 Special Price $15.99 As low as $12.99
Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.