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!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

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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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Items 97 to 144 of 220 total

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  • EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge

    EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge

    $119.99
    MSRP: $170.99
    Save 30%
  • EV9324-01 Everpure Ice Machine Filter System

    EV9324-01 Everpure Ice Machine Filter System

    $218.99
    MSRP: $273.69
    Save 20%
  • EV9324-02 Everpure Ice Machine Filter System

    EV9324-02 Everpure Ice Machine Filter System

    $376.99
    MSRP: $450.79
    Save 16%
  • EV9592-06 Everpure ADC RV and Marine Water Filter Replacement Cartridge
  • EV9601-00 Everpure 4C Replacement Filter Cartridge

    EV9601-00 Everpure 4C Replacement Filter Cartridge

    $44.59
    MSRP: $58.99
    Save 24%
  • EV9611-00 Everpure 4H Replacement Filter Cartridge

    EV9611-00 Everpure 4H Replacement Filter Cartridge

    $50.89
    MSRP: $94.99
    Save 46%
  • EV9612-56 Everpure MC2 Replacement Filter Cartridge

    EV9612-56 Everpure MC2 Replacement Filter Cartridge

    $82.79
    MSRP: $114.99
    Save 28%
  • EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    $52.99
    MSRP: $59.79
    Save 11%
  • EV9618-02 Everpure OCS2 Replacement Filter Cartridge

    EV9618-02 Everpure OCS2 Replacement Filter Cartridge

    $52.99
    MSRP: $69.99
    Save 24%
  • EV9619-06 Everpure OW200L Replacement Filter Cartridge

    EV9619-06 Everpure OW200L Replacement Filter Cartridge

    $85.99
    MSRP: $118.99
    Save 28%
  • EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    $70.29
    MSRP: $87.99
    Save 20%
  • EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    $68.99
    MSRP: $111.99
    Save 38%
  • EV9720-06 Everpure S-54 Replacement Filter Cartridge

    EV9634-26 Everpure S-54 Water Filter Cartridge

    $59.99
    MSRP: $71.29
    Save 16%
  • i20002 Everpure Replacement Filter Cartridge

    Everpure i2000(2) Replacement Filter Cartridge

    $79.49
    MSRP: $118.99
    Save 33%
  • i40002 Everpure Replacement Filter Cartridge

    Everpure i4000(2) Replacement Water Filter Cartridge

    $88.99
    MSRP: $100.04
    Save 11%
  • Quad-MC2 Everpure Replacement Filter Cartridge Kit

    Quad-MC2 Everpure Replacement Filter Cartridge Kit

    $318.29
    MSRP: $501.99
    Save 37%
  • THM-2 Everpure Replacement Filter Cartridge

    THM-2 Everpure Replacement Filter Cartridge

    $86.99
    MSRP: $106.94
    Save 19%
  • XC2 Everpure Replacement Filter Cartridge

    XC2 Everpure Replacement Filter Cartridge

    $72.99
    MSRP: $86.24
    Save 15%
  • 3US-PF01 Filtrete Undersink Filter Replacement Cartridge

    3US-PF01 Filtrete Undersink Filter Replacement Cartridge

    $35.99
    MSRP: $37.99
    Save 5%
  • 3US-PS01 Filtrete Undersink Filter System

    3US-PS01 Filtrete Undersink Filter System

    $49.99
    MSRP: $62.66
    Save 20%
  • FQROMF GE Profile SmartWater Ultra Plus Reverse Osmosis Membrane
  • FQROPF GE Profile SmartWater Ultra Plus Reverse Osmosis Filter Set
  • FQSLF GE SmartWater Undersink Filter Set

    FQSLF GE SmartWater Undersink Filter Set (2 Filters)

    $38.99
    MSRP: $50.00
    Save 22%
  • FQSVF GE SmartWater Undersink Filter Set (packaging)
  • FX12M GE SmartWater Reverse Osmosis Membrane

    FX12M GE SmartWater Reverse Osmosis Membrane

    $62.59
    MSRP: $89.99
    Save 30%
  • FX18M GE SmartWater Reverse Osmosis Membrane

    FX18M GE SmartWater Reverse Osmosis Membrane

    $77.39
    MSRP: $127.99
    Save 40%
  • FX18P GE SmartWater Reverse Osmosis Filter Set
  • FXMLH GE Faucet Filter Replacement Cartridge
  • FXSVC GE SmartWater Undersink Filter Set

    FXSVC GE SmartWater Undersink Filter Set

    $62.59
    MSRP: $89.99
    Save 30%
  • FXULC GE SmartWater Undersink Filter Replacement Cartridge

    FXULC GE SmartWater Undersink Filter Replacement Cartridge

    $39.99
    MSRP: $51.74
    Save 23%
  • FXUTC GE SmartWater Undersink Filter Replacement Cartridge

    FXUTC GE SmartWater Undersink Filter Replacement Cartridge

    $23.59
    MSRP: $35.99
    Save 34%
  • FXUVC GE SmartWater Undersink Filter Replacement Cartridge

    FXUVC GE SmartWater Undersink Filter Replacement Cartridge

    $56.39
    MSRP: $80.99
    Save 30%
  • GXFM07HBL GE Faucet Filter System
  • GXRLQ GE SmartWater Inline Filter System

    GXRLQ GE SmartWater Inline Filter System

    $37.29
    MSRP: $54.99
    Save 32%
  • GXRLQR GE SmartWater Inline Filter Replacement Cartridge

    GXRLQR GE SmartWater Inline Filter Replacement Cartridge

    $36.19
    MSRP: $44.99
    Save 20%
  • GXULQ GE Undersink Filter System

    GXULQ GE Undersink Filter System

    $55.99
    MSRP: $70.14
    Save 20%
  • GXULQR GE Undersink Water Filter Replacement Cartridge
  • H9655-11 Hoshizaki Replacement Filter Cartridge

    H9655-11 Hoshizaki Replacement Water Filter Cartridge

    $77.39
    MSRP: $94.99
    Save 19%
  • 1100R OmniFilter Quick Change Replacement Filter Cartridge
  • CBF1-S-05 OmniFilter Undersink Filter System

    CBF1-S-05 OmniFilter Undersink Water Filtration System

    $75.89
    MSRP: $101.99
    Save 26%
  • CBF3-S-05 OmniFilter Undersink Filter System

    CBF3-S-05 OmniFilter Undersink Water Filtration System

    $105.99
    MSRP: $108.34
    Save 2%
  • CFBC-20 Pentek Replacement Filter Cartridge

    CFBC-20 Pentek Replacement Water Filter Cartridge

    $23.49
    MSRP: $29.31
    Save 20%
  • FLOPLUS-10 Pentek Replacement Filter Cartridge

    FLOPLUS-10 Pentek Replacement Filter Cartridge

    $14.99
    MSRP: $21.26
    Save 29%
  • FLOPLUS-10BB Pentek Replacement Filter Cartridge

    FLOPLUS-10BB Pentek Replacement Filter Cartridge

    $44.99
    MSRP: $48.52
    Save 7%
  • FLOPLUS-20 Pentek Replacement Filter Cartridge

    FLOPLUS-20 Pentek Replacement Filter Cartridge

    $28.99
    MSRP: $31.84
    Save 9%
  • FLOPLUS-20BB Pentek Replacement Filter Cartridge

    FLOPLUS-20BB Pentek Replacement Filter Cartridge

    $78.99
    MSRP: $95.99
    Save 18%
  • P-250 Pentek Undersink Filter Set

    P-250 Pentek Undersink Filter Set

    $33.89
    MSRP: $44.99
    Save 25%
  • P-250A Pentek Undersink Filter Set

Items 97 to 144 of 220 total

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