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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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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Items 1 to 48 of 64 total

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  • OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    $4.99
    MSRP: $11.99
    Save 58%
  • CB6 OmniFilter Comparable Whole House Carbon Water Filter by Tier1
  • OW1 OmniFilter Filter Wrench
  • U30 OmniFilter Whole House Water Filter System

    U30 OmniFilter Whole House Water Filtration System

    $68.99
    MSRP: $81.64
    Save 15%
  • U25 OmniFilter Whole House Water Filter System

    OmniFilter U25 Whole House Water Filtration System

    $48.99
    MSRP: $58.64
    Save 16%
  • TO8 OmniFilter Whole House Replacement Filter Cartridge
  • TO1DS OmniFilter Whole House Replacement Filter Cartridge (2-Pack)
  • SFM2 OmniFilter Undersink Water Filter System

    USM2-S-S06 OmniFilter Undersink Water Filtration System

    $35.99
    MSRP: $48.29
    Save 25%
  • SF200-S2-S06 OmniFilter Shower Filter System

    SF200-S2-S06 OmniFilter Shower Filter System

    $26.99
    MSRP: $33.34
    Save 19%
  • RS3DS/RS12-DS3-S06 OmniFilter Whole House Replacement Filter Cartridge (2-Pack)
  • RS2DS OmniFilter Whole House Replacement Filter Cartridge (2-Pack)
  • RS19 OmniFilter Reusable Screen Filter Cartridge

    RS19 OmniFilter Reusable Screened Water Filter Cartridge

    $14.49
    MSRP: $20.99
    Save 31%
  • RS16 OmniFilter Whole House Replacement Filter Cartridge
  • RS15 OmniFilter Whole House Replacement Filter Cartridge
  • R800 OmniFilter Quick Change Inline Refrigerator Filter

    R800 OmniFilter Quick Change Inline Filter

    $28.99
    MSRP: $35.64
    Save 19%
  • OW2 OmniFilter Filter Wrench
  • OW30 OmniFilter Water Filter Wrench

    OW30 OmniFilter Water Filter Wrench

    $3.99
    MSRP: $6.89
    Save 42%
  • OW40 OmniFilter Filter Wrench

    OW40 OmniFilter Water Filter Wrench

    $5.39
    MSRP: $9.99
    Save 46%
  • RS6-SS2-S06 OmniFilter Whole House Cartridge
  • RS1-SS OmniFilter Whole House Water Filter
  • RS14-SS OmniFilter Whole House Water Filter
  • ROR2000-S-05 OmniFilter Reverse Osmosis Pre Filter Replacement
  • OB1-S-S06 OmniFilter Undersink Water Filter System
  • SF200R-S6-05 Omnifilter Replacement Shower Filter (close up)

    SF200R-S6-05 Omnifilter Replacement Shower Filter

    $14.99
    MSRP: $19.54
    Save 23%
  • K2 OmniFilter Undersink Water Filter Installation Kit

    K2 OmniFilter Undersink Water Filter Installation Kit

    $6.99
    MSRP: $11.49
    Save 39%
  • F1 OmniFilter Faucet Filter

    F1 OmniFilter Faucet Filter

    $8.05
    MSRP: $20.69
    Save 61%
  • OM1-S6-S06 OmniFilter Reverse Osmosis Membrane

    OM1-S6-S06 OmniFilter Reverse Osmosis Membrane

    $80.39
    MSRP: $104.99
    Save 23%
  • WC792P OmniFilter Filter Wrench
  • RS4-DS OmniFilter Whole House Filter Replacement Cartridge (2-Pack)
  • OW6 OmniFilter Filter Wrench
  • OW50 OmniFilter Filter Wrench

    OW50 OmniFilter Water Filter Wrench

    $7.99
    MSRP: $8.15
    Save 2%
  • R1100 OmniFilter Quick Change Inline Refrigerator Filter
  • QK1-R5-05 OmniFilter Whole House Water Filter Installation Kit
  • PF-500 OmniFilter 14-cup Water Pitcher

    PF-500 OmniFilter Water Filter Pitcher (14-Cup)

    $30.99
    MSRP: $49.99
    Save 38%
  • 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)
  • R200 OmniFilter Inline Filter System

    R200 OmniFilter Inline Water Filtration System

    $14.99
    MSRP: $16.09
    Save 7%
  • OB5-S-05 OmniFilter Whole House Filter System

    OB5-S-05 OmniFilter Whole House Water Filtration System

    $29.99
    MSRP: $36.79
    Save 18%
  • CBF3-S-05 OmniFilter Undersink Filter System

    CBF3-S-05 OmniFilter Undersink Water Filtration System

    $105.99
    MSRP: $108.34
    Save 2%
  • CBF1-S-05 OmniFilter Undersink Filter System

    CBF1-S-05 OmniFilter Undersink Water Filtration System

    $76.19
    MSRP: $101.99
    Save 25%
  • 1100R OmniFilter Quick Change Replacement Filter Cartridge
  • GAC1SS OmniFilter Series C Undersink Filter Replacement Cartridge
  • FRC1D OmniFilter Faucet Filter Replacement Cartridge

    FRC1D OmniFilter Faucet Filter Replacement Cartridge

    $6.99
    MSRP: $12.41
    Save 44%
  • CB6 OmniFilter Whole House Filter Replacement Cartridge
  • CB3 OmniFilter Undersink Filter Replacement Cartridge
  • CB1 OmniFilter Undersink Filter Replacement Cartridge

    CB1-SS6-S06 OmniFilter Undersink Water Filter Cartridge

    $34.99
    MSRP: $47.99
    Save 27%
  • RS7-SS OmniFilter Whole House Filter Replacement Cartridge

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