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iSpring F6CTO Prefilters for CW31 and Standard Reverse Osmosis RO Water Filter Systems 1-Year Replacement Supply Filter Cartridge Pack Set, No Membrane
- 6 pieces of 10" x 2.5" replacement water filters included
$51.99
Price as of Oct 16, 2026, 7:47 AM UTC. Prices and availability are subject to change. The price shown on Amazon at the time of purchase applies.
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Key features
Individually wrapped 1-year high capacity filter replacement cartridge pack for CW31 water filtration system and prefilter for most standard 5-stage RO systems
Experience clean and good-tasting water every time you turn on the faucet
6 pieces of 10" x 2.5" replacement water filters included
2x sediment filters and 4x carbon block filters
This filter pack does NOT include an RO membrane
If you have trouble installing the filters, please refer to the user manual or contact us
iSpring F6CTO Prefilters for CW31 and Standard Reverse Osmosis RO Water Filter Systems 1-Year Replacement Supply Filter Cartridge Pack Set, No Membrane
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