* Superior Spas ® 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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Superior Spas ® Compatible Spa Replacement Water Filters
 
Superior Spas ® Compatible Replacement Spa Water Filter Cartridge

* Superior Spas ® Compatible Replacement Spa Water Filter Cartridge - #50 sq.ft.


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

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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.

Superior Spas ® Compatible Replacement Spa Water Filter Cartridge - #50 sq.ft. - Antimicrobial Construction

* Superior Spas ® Compatible Replacement Spa Water Filter Cartridge - #50 sq.ft. - Antimicrobial Construction


Price Each: $36.99
Sale Price: $27.99
Savings: $9.00

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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.

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.


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.

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

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Replacement water filters and reverse osmosis membranes