* Unicel compatible replacement spa water filters

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Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filtration repair parts.  From one water filter or reverse osmosis membrane to case quantity discounts.
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Unicel Compatible Spa Replacement Water Filters
 

Unicel  C-4326 & C-4625 Compatible Replacement Pool Water Filter Cartridge

* Unicel C-4326 & C-4625 Compatible Replacement Pool Water Filter Cartridge


Price Each: $41.57
Sale Price: $26.99
Savings: $14.58

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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.

Unicel  C-4335 Compatible Replacement Pool Water Filter Cartridge

* Unicel C-4335 Compatible Replacement Pool Water Filter Cartridge


Price Each: $41.37
Sale Price: $26.99
Savings: $14.38

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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.

Unicel  Compatible Replacement Pool Water Filter Cartridge


* Unicel Compatible Replacement Pool Water Filter Cartridge


Price Each: $13.99
Sale Price: $9.99
Savings: $4.00

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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.

Unicel  C-4950 Compatible Replacement Pool Water Filter Cartridge


* Unicel C-4950 Compatible Replacement Pool Water Filter Cartridge


Price Each: $32.99
Sale Price: $26.99
Savings: $6.00

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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.

Unicel  C-4950 Compatible Antimicrobial Replacement Pool Water Filter Cartridge


* Unicel C-4950 Compatible Antimicrobial Replacement Pool Water Filter Cartridge


Price Each: $36.99
Sale Price: $28.99
Savings: $8.00

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Harmsco H-4950-AM Antimicrobial Replacement Water Filter Cartridge

Harmsco H-4950-AM Antimicrobial Replacement Water Filter Cartridge - Step up to Premium Antimicrobial Construction. Unicel cross reference # C-4950. Replaces RA50TC-3, C-4650 & PRB50-IN. Rainbow 50 sq.ft. 13 3/8 inches height x 4 15/16 inches diameter. Fantastic Antimicrobial Spa Filter.

Unicel  C-6430 Compatible Replacement Pool Water Filter Cartridge


* Unicel C-6430 Compatible Replacement Pool Water Filter Cartridge


Price Each: $32.99
Sale Price: $24.99
Savings: $8.00

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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.

Unicel  C-7626 Compatible Replacement Pool Water Filter Cartridge


* Unicel C-7626 Compatible Replacement Pool Water Filter Cartridge


Price Each: $32.99
Sale Price: $27.99
Savings: $5.00

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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.

Unicel  C-7656 Compatible Replacement Pool Water Filter Cartridge


* Unicel C-7656 Compatible Replacement Pool Water Filter Cartridge


Price Each: $51.99
Sale Price: $46.99
Savings: $5.00

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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.

WhirlOut Spa, Hot Tub and Whirlpool Cleaner from Summit Brands
 


Price Each: $17.99
Sale Price: $12.99
Savings: $5.00


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WhirlOut Spa, Hot Tub and Whirlpool Cleaner from Summit Brands

WhirlOut Spa, Hot Tub and Whirlpool Cleaner from Summit Brands. Eliminates soap scum & build-up from whirlpools. WhirlOut - Cleans pumps, pipes and surfaces in whirlpools, spas, hot tubs and jetted tubs. Fast & easy self-cleaning action safely removes soap scum & build-up, odors, bath & body oils, dirt and other system residue from inside of all pipes, pumps, fittings and the circulation system. Leaves acrylic, fiberglass, enamel and chrome surfaces fresh and clean without scrubbing. Regular use helps prevent buildup. 1.5 lb. package. CLEANING TIPS Please follow cautions and instructions on the label carefully. Follow the directions below after each use or after a period of inactivity. DO NOT USE WHILE BATHING. If unit has adjustable air/volume control, adjust to medium. Water level should be at least 2 inches above suction intake and highest jet. Note: WhirlOut is most effective when used with warm water. WHIRLPOOL/JETTED TUB: 1) After using tub and prior to draining, activate circulation pump. 2) Add 1/2 the container of WhirlOut near the suction intake. 3) Allow WhirlOut to circulate for 3-4 minutes. 4) Drain tub and refill, then circulate for 1 minute to rinse. 5) Drain tub. Repeat as needed. HOT TUB/SPA: Use prior to draining unit only. Follow JETTED TUB instructions, however, use the entire container and increase circulation time to 10 minutes.

Pool and Spa Bacteria Tests
 

Price Each: $14.99

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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.

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Be sure to check our Pure Drinking Water
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 for drinking water systems online at our Installation & Trouble shooting Guide.

* Unicel is the registered trademark of Unicel, the manufacturer of Unicel  brand spa equipment.  The replacement filters and parts listed above are not manufactured or endorsed by Unicel .  Rather, these filters and parts are manufactured by other companies.  While these filters and parts are compatible for use in Unicel  brand spa equipment, we make no representation as to whether using these filters and parts is consistent with the warranty and specifications applicable to Unicel  equipment.


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Replacement water filters and reverse osmosis membranes