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!

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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26 Item(s)

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  • F-201R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)
  • Everpure H-54 Water Filter Replacement Cartridge (EV9730-06)
  • 600R American Plumber Undersink Filter Replacement Cartridge

    600R American Plumber Undersink Water Filter Cartridge

    $31.99
    MSRP: $35.06
    Save 9%
  • WIC-600 American Plumber Undersink Filter System

    WIC-600 American Plumber Undersink Filter System

    $55.99
    MSRP: $58.34
    Save 4%
  • 1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter
  • D-40 Culligan Level 4 Undersink Water Filter Replacement Cartridge
  • RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge
  • RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge
  • 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%
  • W9123019 Doulton UltraCarb SI Replacement Element

    W9123019 Doulton UltraCarb SI Ceramic Filter Candle

    $55.81
    MSRP: $66.48
    Save 16%
  • W9223026 Doulton Replacement Ceramic Filter
  • EV9300-15 Everpure proseries 1500 Replacement Filter Cartridge
  • EV9592-06 Everpure ADC RV and Marine Water Filter 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-2 Everpure Replacement Filter Cartridge

    THM-2 Everpure Replacement Filter Cartridge

    $86.99
    MSRP: $106.94
    Save 19%
  • FQROPF GE Profile SmartWater Ultra Plus Reverse Osmosis Filter Set
  • 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%
  • GXRLQR GE SmartWater Inline Filter Replacement Cartridge

    GXRLQR GE SmartWater Inline Filter Replacement Cartridge

    $36.49
    MSRP: $44.99
    Save 19%
  • 1100R OmniFilter Quick Change Replacement Filter Cartridge
  • F-201 InSinkErator Instant Hot Water Dispenser Filtration System
  • CBF2-S-05 OmniFilter Undersink Filter System
  • R1100 OmniFilter Quick Change Inline Refrigerator Filter

26 Item(s)

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