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

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  • 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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  • WIC-600 American Plumber Undersink Filter System

    WIC-600 American Plumber Undersink Filter System

    $55.99
    MSRP: $58.34
    Save 4%
  • 3M Aqua-Pure AP-C78 Water Filter Replacement Cartridge
  • AP-DW80/90 3M Aqua-Pure Water Filter Set

    AP-DW80/90 3M Aqua-Pure Pre and Post Filter Set

    $116.99
    MSRP: $173.90
    Save 33%
  • C-COMPLETE 3M Aqua-Pure Undersink Water Filter

    C-COMPLETE 3M Aqua-Pure Undersink Water Filter Cartridge

    $69.09
    MSRP: $92.99
    Save 26%
  • C-CS-S 3M Aqua-Pure Undersink Water Filter
  • C-LC 3M Aqua-Pure Undersink Water Filter

    C-LC 3M Aqua-Pure Undersink Water Filter Cartridge

    $50.99
    MSRP: $65.54
    Save 22%
  • 1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter
  • D-40 Culligan Level 4 Undersink Water Filter Replacement Cartridge
  • IC-1000 Culligan Inline Filter
  • IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System

    IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System

    $35.29
    MSRP: $53.99
    Save 35%
  • IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System

    IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System

    $56.99
    MSRP: $71.29
    Save 20%
  • RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge
  • RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge
  • RV-EZ-3 Culligan Level 3 Easy-Change RV Inline Filter System
  • SY-1000 Culligan Water Filtration System
  • US-EZ-3 Culligan Level 3 Easy-Change Undersink Filter System
  • US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System

    US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System

    $80.39
    MSRP: $110.99
    Save 28%
  • DA29-00003F Samsung Aqua-Pure Plus Refrigerator Water Filter
  • W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge
  • W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • W9331032 Doulton UltraCarb Countertop Filter System

    W9331032 Doulton HCP UltraCarb Countertop Filter System

    $140.69
    MSRP: $175.99
    Save 20%
  • EV9300-15 Everpure proseries 1500 Replacement Filter Cartridge
  • EV9592-06 Everpure ADC RV and Marine Water Filter Replacement Cartridge
  • EV9607-25 Everpure ESO 7 Softening System Replacement Cartridge
  • EV9720-06 Everpure S-54 Replacement Filter Cartridge

    EV9634-26 Everpure S-54 Water Filter Cartridge

    $49.99
    MSRP: $71.29
    Save 30%
  • THM-1 Everpure Replacement Filter Cartridge

    THM-1 Everpure Replacement Filter Cartridge

    $103.05
    MSRP: $157.54
    Save 35%
  • THM-2 Everpure Replacement Filter Cartridge

    THM-2 Everpure Replacement Filter Cartridge

    $86.99
    MSRP: $106.94
    Save 19%
  • 4IL-CLC-S01 Filtrete Inline Refrigerator Water Filter

    4IL-CLC-S01 3M Filtrete Inline Refrigerator Water Filter

    $20.99
    MSRP: $29.89
    Save 30%
  • 4IL-CTO-S01 Filtrete Inline Refrigerator Water Filter

    4IL-CTO-S01 3M Filtrete Inline Refrigerator Water Filter

    $13.99
    MSRP: $18.39
    Save 24%
  • 4US-MAXL-F01 Filtrete Replacement Filter Cartridge

    4US-MAXL-F01 3M Filtrete Replacement Water Filter Cartridge

    $32.89
    MSRP: $44.99
    Save 27%
  • 4US-MAXL-S01 Filtrete Single Stage Drinking Water System
  • 4US-MAXS-F01 Filtrete Replacement Filter Cartridge
  • 4US-MAXS-S01 Filtrete Single Stage Drinking Water System

    4US-MAXS-S01 3M Filtrete Drinking Water Filtration System

    $68.99
    MSRP: $88.54
    Save 22%
  • FXSVC GE SmartWater Undersink Filter Set

    FXSVC GE SmartWater Undersink Filter Set

    $62.89
    MSRP: $89.99
    Save 30%
  • FXUVC GE SmartWater Undersink Filter Replacement Cartridge

    FXUVC GE SmartWater Undersink Filter Replacement Cartridge

    $56.59
    MSRP: $80.99
    Save 30%
  • GXRLQ GE SmartWater Inline Filter System

    GXRLQ GE SmartWater Inline Filter System

    $37.59
    MSRP: $54.99
    Save 32%
  • QC10-CBR-JG14 Pentek Undersink Quick-Change Filter System

    QC10-CBR-JG14 Pentek Quick-Change Water Filter System

    $33.99
    MSRP: $35.41
    Save 4%
  • QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  • QC10-CBRR Pentek Undersink Quick-Change Replacement Filter Cartridge
  • US-1000 Pentek Undersink Filter System

    US-1000 Pentek Undersink Filter System

    $130.79
    MSRP: $179.99
    Save 27%
  • DA29-10105J Samsung Refrigerator Water Filter
  • GXILQR GE SmartWater Inline Filter Replacement Cartridge
  • F-201 InSinkErator Instant Hot Water Dispenser Filtration System
  • F-201R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)
  • 8014931 Katadyn Vario Backcountry Series Microfilter Water Filter
  • GEN11042FR-08 Kenmore Refrigerator Water Filter
  • 9601 Moen ChoiceFlo Faucet Filter Replacement Cartridge
  • CBF2-S-05 OmniFilter Undersink Filter System

Items 1 to 48 of 68 total

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