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!
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  • 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.

Items 49 to 64 of 64 total

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  • SF100

    SF100

    $29.99
    MSRP: $35.64
    Save 16%
  • K4

    K4

    $3.99
    MSRP: $6.89
    Save 42%
  • PF-300T OmniFilter Water Pitcher Replacement Cartridge (3-Pack)
  • PF-300S OmniFilter Water Pitcher Replacement Cartridge
  • P2240 OmniFilter Replacement O-ring Kit

    P2240 OmniFilter Replacement Faucet Filter O-Rings

    $9.99
    MSRP: $11.49
    Save 13%
  • OT32-S-05 OmniFilter Whole House Filter System

    OT32-S-05 OmniFilter Undersink Water Filtration System

    $112.99
    MSRP: $132.24
    Save 15%
  • OB1-S-05 OmniFilter Undersink Filter System
  • F1-S6-05 OmniFilter Faucet Filter System

    F1-S6-06 OmniFilter Faucet Filter System

    $15.99
    MSRP: $19.31
    Save 17%
  • CBF2-S-05 OmniFilter Undersink Filter System
  • BF7-S-05 OmniFilter Undersink Filter System

    BF7-S-05 OmniFilter Undersink Water Filtration System

    $57.05
    MSRP: $82.79
    Save 31%
  • BF7MB-R-05 OmniFilter Filter Mounting Bracket Kit
  • 800R OmniFilter Quick Change Replacement Filter Cartridge
  • OM1 OmniFilter Reverse Osmosis Membrane
  • OK7 OmniFilter O-Ring

    OK7-S6-S06 OmniFilter O-Ring

    $4.99
    MSRP: $8.04
    Save 38%
  • OK25 OmniFilter O-Ring

    OK25 OmniFilter O-Ring

    $4.99
    MSRP: $8.04
    Save 38%
  • TO1SS OmniFilter Whole House Water Filter

Items 49 to 64 of 64 total

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