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Reverse Osmosis Water Filters

Keep your reverse osmosis system up and running smooth with a new reverse osmosis water filter.

Your reverse osmosis water filter plays a crucial role in your reverse osmosis filtration system, so it’s important to change it out periodically (ideally once every 6-12 months). By doing so, you’ll extend the life of not only your entire reverse osmosis system but also the life of your RO membrane.

Below you’ll find over 40+ reverse osmosis water filter brands and sets, at a price guaranteed to beat the big box store prices. All of our reverse osmosis water filters are included in our 100% Price Match Guarantee. Meaning if you find a RO water filter priced somewhere else for less than our price, we’ll match the lower price. Shopping for a new RO water filter doesn’t get much better than that.

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  • HYDRONIX-CB-25-1001


  • HYDRONIX-CB-25-1010


  • HYDROLOGIC-22160


    $12.99 Retail Price:  $17.99


    $18.99 Retail Price:  $22.99
  • 3M Aqua-Pure AP124 Whole House Water Filter Cartridge


    $23.99 Retail Price:  $30.23
  • FX12P


    $58.99 Retail Price:  $71.29


    $17.99 Retail Price:  $20.69


    $11.99 Retail Price:  $13.79
  • WATTS-FPMB5-978


    $4.99 Retail Price:  $5.16
  • FPMB20-978 Watts Flo-Pro Replacement Filter Cartridge

    FPMB20-978 Watts Flo-Pro Replacement Water Filter

    $3.99 Retail Price:  $5.16
  • CB-25-1005 Hydronix Replacement Filter Cartridge
  • HYDROLOGIC-22125


    $13.99 Retail Price:  $15.51
  • WROR American Plumber Reverse Osmosis Replacement Filter Kit

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