Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.

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REC Warehouse - Leisure Bay Mfg. Pool Water Filters

REC Warehouse & Leisure Bay Mfg. ® Compatible Pool Replacement Water Filters
  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-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
  4. 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
  5. 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
  6. 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.