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When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Water Filters & Parts From OmniFilter

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.

Items 26 to 50 of 64 total

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  1. OW6 OmniFilter Filter Wrench

    OW6 OmniFilter Filter Wrench

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

    OW50 OmniFilter Water Filter Wrench

    For use with water filtration systems from Omni Learn More
    $7.99 Retail Price:  $8.15
  3. OW40 OmniFilter Filter Wrench

    OW40 OmniFilter Water Filter Wrench

    Fits Omni water filter systems Learn More
    $4.89 Retail Price:  $7.92
  4. OW30 OmniFilter Water Filter Wrench

    OW30 OmniFilter Water Filter Wrench

    For use with Omni water filtration systems Learn More
    $3.99 Retail Price:  $6.89
  5. OW2 OmniFilter Filter Wrench

    OW2 OmniFilter Filter Wrench

    Fits Omni water filter systems Learn More
  6. OW1 OmniFilter Filter Wrench

    OW1 OmniFilter Filter Wrench

    Fits Omni water filter systems Learn More
  7. 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
    $5.99 Retail Price:  $9.19
  8. P2240 OmniFilter Replacement O-ring Kit

    P2240 OmniFilter Replacement Faucet Filter O-Rings

    Fits OmniFilter F1 Faucet Filter Learn More
    $9.99 Retail Price:  $11.49
  9. 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
  10. 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
    $7.99 Retail Price:  $8.04
  11. RS1-SS OmniFilter Whole House Filter Replacement Cartridge - front

    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
    $8.99 Retail Price:  $11.34
  12. RS14-SS OmniFilter Whole House Filter Replacement Cartridge

    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
    $6.99 Retail Price:  $9.34
  13. 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
    $7.99 Retail Price:  $8.15
  14. R200 OmniFilter Inline Filter System

    R200 OmniFilter Inline Water Filtration System

    Fits onto any 1/4-inch plastic or copper water line Learn More
    $14.99 Retail Price:  $16.09
  15. OB5-S-05 OmniFilter Whole House Filter System

    OB5-S-05 OmniFilter Whole House Water Filtration System

    Built to fit onto standard 3/4-inch water lines. Uses 2.5x10 inch water filters. Learn More
    $29.99 Retail Price:  $36.79
  16. CBF3-S-05 OmniFilter Undersink Filter System

    CBF3-S-05 OmniFilter Undersink Water Filtration System

    Fits onto ½ inch water lines Learn More
    $105.99 Retail Price:  $108.34
  17. CBF1-S-05 OmniFilter Undersink Filter System

    CBF1-S-05 OmniFilter Undersink Water Filtration System

    Engineered to fit standard 1/2-inch NPS supply threads Learn More
    $73.99 Retail Price:  $88.54
  18. 1100R OmniFilter Quick Change Replacement Filter Cartridge

    1100R OmniFilter Quick Change Inline Refrigerator Water Filter

    For OmniFilter R1100 Quick-Change Inline Water Filtration Systems Learn More
  19. GAC1SS OmniFilter Series C Undersink Filter Replacement Cartridge

    GAC1SS OmniFilter Undersink Water Filter Cartridge (Series C)

    Fits any brand of undersink water filtration system that accepts filter cartridges sized 9 3/4 x 2 1/2 Learn More
    $16.99
  20. 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 Retail Price:  $12.41
  21. CB6 OmniFilter Whole House Filter Replacement Cartridge

    CB6 OmniFilter Whole House Water Filter Cartridge

    Fits any brand of whole house water filtration system that uses 9 3/4 x 4 1/2 water filter cartridges Learn More
    $83.99
  22. CB3 OmniFilter Undersink Filter Replacement Cartridge

    CB3-SS6-06 OmniFilter Undersink Filter Replacement Cartridge

    Fits any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $50.99
  23. RS6 OmniFilter Whole House Filter Replacement Cartridge

    RS6-SS2-S06 OmniFilter Whole House Water Filter Cartridge

    Fits any brand of heavy duty whole house water filtration system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $18.99 Retail Price:  $21.34
  24. 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
    $7.99 Retail Price:  $8.38
  25. OT32-S-05 OmniFilter Whole House Filter System

    OT32-S-05 OmniFilter Undersink Water Filtration System

    Fits standard 1/2-inch NPS supply threads Learn More
    $112.99 Retail Price:  $132.24

Items 26 to 50 of 64 total

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