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Harmsco Pool Water Filters

Harmsco ® Pool and Spa Replacement Water Filters

Pool Filters By Pool Manufactures Index

Spa Filters By Spa Manufacturers Index

  1. Regular Price: $37.99

    Special Price $26.99

    As low as: $23.99
    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
  2. $26.99
    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
  3. Regular Price: $12.99

    Special Price $7.99

    As low as: $6.29
    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
  4. Regular Price: $38.99

    Special Price $26.99

    As low as: $23.99
    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
  5. Regular Price: $39.99

    Special Price $28.99

    As low as: $26.99
    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
  6. Regular Price: $36.99

    Special Price $24.99

    As low as: $22.99
    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
  7. Harmsco ® H-7447 Replacement Water Filter Cartridge - Replaces CX470-RE, C-7447 & PA50-SV. Hayward 50 sq.ft., Sta-Rite PRC50. Learn More
  8. Regular Price: $99.99

    Special Price $58.99

    As low as: $54.99
    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
  9. Regular Price: $119.99

    Special Price $72.99

    As low as: $69.29
    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
  10. Regular Price: $39.99

    Special Price $27.99

    As low as: $24.99
    Harmsco ® H-7626 Replacement Water Filter Cartridge - Replaces HA25TC-3, C-7626 & PA25. Hayward CX250-RE 25 sq.ft. Learn More
  11. Regular Price: $79.99

    Special Price $46.99

    As low as: $43.99
    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
  12. Regular Price: $129.99

    Special Price $84.99

    As low as: $79.99
    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
  13. Regular Price: $129.99

    Special Price $99.99

    As low as: $93.99
    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
  14. Regular Price: $99.99

    Special Price $67.99

    As low as: $62.99
    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
  15. Regular Price: $139.99

    Special Price $79.99

    As low as: $74.99
    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
  16. Regular Price: $89.99

    Special Price $67.99

    As low as: $62.99
    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
  17. $92.99
    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
  18. Regular Price: $159.99

    Special Price $119.99

    As low as: $108.75
    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
  19. Regular Price: $149.99

    Special Price $119.99

    As low as: $108.78
    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
  20. $119.99
    Harmsco HC/90-1 1 Micron Hurricane 90 Filter Cartridge Learn More
  21. Regular Price: $199.99

    Special Price $159.99

    As low as: $142.99
    Harmsco HC 170 WaterBetter Series - 0.35, 1, 5 and 20 Micron Hurricane Filter Cartridges. Pleated Sediment Cartridges are rated for temperatures to 140°F (60°C).* Polyester-Plus™ filter media is cleanable and cartridges are reusable in most applications and micron ratings. Cartridges can be used in liquids with a pH of 3 to 11. Cartridge dimensions: 30-3/4” x 7-3/4” (OD) x 3” (FPT). Packaged one per carton. Hurricane® cartridges are capable of 50 psi ÄP. Learn More
  22. Regular Price: $8.99

    Special Price $6.99

    As low as: $6.24
    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
  23. Regular Price: $139.99

    Special Price $89.99

    As low as: $79.99
    Harmsco ® ST/105 Water Filter - Fits Bestfilter BF-105. Filbur cross reference # FC 6110. 19 1/2" height. Learn More
  24. Regular Price: $159.99

    Special Price $122.99

    As low as: $114.99
    Harmsco ® ST-155 Water Filter - Fits Best Filter model BF155. Filbur cross reference number FC 6115. 29 1/16" height. Learn More
  25. Regular Price: $8.99

    Special Price $5.99

    As low as: $4.59
    Harmsco ® ST-6 Water Filter - Harmsco Bestfilter cluster water filter cartridges. 9 3/4" height Learn More
  26. Regular Price: $149.99

    Special Price $119.99

    As low as: $109.99
    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
  27. Regular Price: $22.99

    Special Price $15.99

    As low as: $12.99
    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
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.