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

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

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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24 Item(s)

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  • OW2 OmniFilter Filter Wrench
  • OW1 OmniFilter Filter Wrench
  • OMNIFILTER-RS3DS

    OMNIFILTER-RS3DS

    $7.99
    MSRP: $10.34
    Save 23%
  • OMNIFILTER-RS2DS

    OMNIFILTER-RS2DS

    $8.99
    MSRP: $11.03
    Save 18%
  • OW30

    OW30

    $3.99
    MSRP: $6.89
    Save 42%
  • OW40 OmniFilter Filter Wrench
  • RS1-SS OmniFilter Whole House Water Filter
  • RS14-SS OmniFilter Whole House Water Filter
  • K2 OmniFilter Undersink Water Filter Installation Kit

    K2 OmniFilter Undersink Water Filter Installation Kit

    $6.99
    MSRP: $11.49
    Save 39%
  • OMNIFILTER-F1

    OMNIFILTER-F1

    $8.05
    MSRP: $20.69
    Save 61%
  • WC792P OmniFilter Filter Wrench
  • OW6 OmniFilter Filter Wrench
  • OW50

    OW50

    $7.99
    MSRP: $8.15
    Save 2%
  • RS7-SS OmniFilter Whole House Filter Replacement Cartridge
  • RS3-SS OmniFilter Whole House Filter Replacement Cartridge
  • RS2-SS OmniFilter Whole House Filter Replacement Cartridge

    RS2-SS OmniFilter Whole House Water Filter Cartridge

    $6.99
    MSRP: $8.04
    Save 13%
  • RS14-DS OmniFilter Whole House Filter Replacement Cartridge (2-Pack)
  • FRC1D

    FRC1D

    $6.99
    MSRP: $12.41
    Save 44%
  • K4

    K4

    $3.99
    MSRP: $6.89
    Save 42%
  • OMNIFILTER-PF-300S

    OMNIFILTER-PF-300S

    $6.19
    MSRP: $9.19
    Save 33%
  • P2240 OmniFilter Replacement O-ring Kit

    P2240 OmniFilter Replacement Faucet Filter O-Rings

    $9.99
    MSRP: $11.49
    Save 13%
  • OK7

    OK7

    $4.89
    MSRP: $8.04
    Save 39%
  • OK25

    OK25

    $4.99
    MSRP: $8.04
    Save 38%
  • OMNIFILTER-RS12-SS6-05

    OMNIFILTER-RS12-SS6-05

    $4.99
    MSRP: $8.04
    Save 38%

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