Discount Water Filters and Air Filters at Discount Filter Store.com

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OmniFilter Water Filters & Parts

Improve your health and the environment with water from OmniFilter® water filters

From under sink water filters, which provide healthier better tasting water for drinking and cooking for you and your family, to faucet filters designed to give you bottled water quality without the waste or cost, OmniFilter® carries a wide assortment of water filtration products and filter cartridges* to meet all of your water filtration needs. All of our Omnipure® filtration products are backed by our No Worries Price Match Guarantee. Therefore, if you find an OmniFilter® filtration product/filter for less than our posted price, we’ll match the lower price, simply give us a call at 1-800-277-3458.

*Different water filter cartridges are used for Whole House and Under Sink filter applications.

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  1. OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    Standard 10 inch by 2.5 inch size fits many common filter housings Learn More
    $4.99 MSRP:  $11.99
  2. OW1 OmniFilter Filter Wrench

    OW1 OmniFilter Filter Wrench

    Fits Omni water filter systems Learn More
  3. RS3DS/RS12-DS3-S06 OmniFilter Whole House Replacement Filter Cartridge (2-Pack)

    RS3DS/RS12-DS3-S06 OmniFilter Whole House Water Filter Cartridges (2-Pack)

    Fits into most industry standard 10-inch water filtration system housings Learn More
    $7.99 MSRP:  $10.34
  4. RS2DS OmniFilter Whole House Replacement Filter Cartridge (2-Pack)

    RS2DS OmniFilter Whole House Replacement Water Filter Cartridge (2-Pack)

    Fits into most industry standard 10-inch water filtration system housings Learn More
    $8.99 MSRP:  $11.03
  5. OW2 OmniFilter Filter Wrench

    OW2 OmniFilter Filter Wrench

    Fits Omni water filter systems Learn More
  6. OW30 OmniFilter Water Filter Wrench

    OW30 OmniFilter Water Filter Wrench

    For use with Omni water filtration systems Learn More
    $3.99 MSRP:  $6.89
  7. OW40 OmniFilter Filter Wrench

    OW40 OmniFilter Water Filter Wrench

    Fits Omni water filter systems Learn More
    $5.39 MSRP:  $9.99
  8. RS1-SS OmniFilter Whole House Water Filter

    RS1-SS OmniFilter Replacement Whole House Water Filter Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More

    As Low As $5.40 Per Filter

  9. RS14-SS OmniFilter Whole House Water Filter

    RS14-SS OmniFilter Replacement Whole House Water Filter Cartridge

    Fits any brand of whole house water filter system that uses 9 3/4 x 2 1/2 water filter cartridges Learn More

    As Low As $6.00 Per Filter

  10. K2 OmniFilter Undersink Water Filter Installation Kit

    K2 OmniFilter Undersink Water Filter Installation Kit

    For use with the OB1, OB5 or R14 undersink water filtration systems from OmniFilter Learn More
  11. F1 OmniFilter Faucet Filter

    F1 OmniFilter Faucet Filter

    Fits most standard water faucets Learn More
    $8.05 MSRP:  $20.69
  12. WC792P OmniFilter Filter Wrench

    WC792P OmniFilter Filter Wrench

    Fits Omni water filter systems Learn More
  13. OW6 OmniFilter Filter Wrench

    OW6 OmniFilter Filter Wrench

    Fits Omni water filter systems Learn More
  14. OW50 OmniFilter Filter Wrench

    OW50 OmniFilter Water Filter Wrench

    For use with water filtration systems from Omni Learn More
    $7.99 MSRP:  $8.15
  15. RS3-SS OmniFilter Whole House Filter Replacement Cartridge

    RS3-SS OmniFilter Replacement Whole House Water Filter Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
  16. RS2-SS OmniFilter Whole House Filter Replacement Cartridge

    RS2-SS OmniFilter Whole House Water Filter Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $6.99 MSRP:  $8.04
  17. RS14-DS OmniFilter Whole House Filter Replacement Cartridge (2-Pack)

    RS14-DS OmniFilter Whole House Water Filter Cartridges (2-Pack)

    Fits any brand of whole house water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $6.99 MSRP:  $8.15
  18. FRC1D OmniFilter Faucet Filter Replacement Cartridge

    FRC1D OmniFilter Faucet Filter Replacement Cartridge

    Fits the Omni F1 faucet mounted water filter system Learn More
    $6.99 MSRP:  $12.41
  19. RS7-SS OmniFilter Whole House Filter Replacement Cartridge

    RS7-SS OmniFilter Whole House Water Filter Replacement Cartridge

    Fits any brand of whole house water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $6.99 MSRP:  $8.38
  20. K4 OmniFilter O-Ring Set

    K4-M6-S06 OmniFilter O-Ring Set

    For use in OmniFilter water filtration systems Learn More
    $3.99 MSRP:  $6.89
  21. PF-300S OmniFilter Water Pitcher Replacement Cartridge

    PF-300S OmniFilter Water Pitcher Replacement Filter Cartridge

    Fits OmniFilter Water Pitcher (PF-500) and other water pitchers that use standard pitcher filters Learn More
    $6.19 MSRP:  $11.99
  22. P2240 OmniFilter Replacement O-ring Kit

    P2240 OmniFilter Replacement Faucet Filter O-Rings

    Fits OmniFilter F1 Faucet Filter Learn More
    $9.99 MSRP:  $11.49
  23. OK7 OmniFilter O-Ring

    OK7-S6-S06 OmniFilter O-Ring

    Fits Omni heavy-duty whole house water filtration systems Learn More
    $4.89 MSRP:  $11.99
  24. OK25 OmniFilter O-Ring

    OK25 OmniFilter O-Ring

    Fits Omni water filtration systems Learn More
    $4.99 MSRP:  $8.04

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