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

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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 49 to 96 of 118 total

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  • CTA-16 Desal Reverse Osmosis Membrane

    CTA-16 Desal Reverse Osmosis Membrane

    $44.39
    MSRP: $67.99
    Save 35%
  • TW30-1812-36 Filmtec Reverse Osmosis Membrane

    TW30-1812-36 Filmtec Reverse Osmosis Membrane

    $44.39
    MSRP: $62.99
    Save 30%
  • 8014933 Katadyn Vario Backcountry Series Microfilter Replacement Cartridge
  • 42645 Brita AquaView AVFF-100 Faucet Filter System - White
  • EV9618-02 Everpure OCS2 Replacement Filter Cartridge

    EV9618-02 Everpure OCS2 Replacement Filter Cartridge

    $44.99
    MSRP: $69.99
    Save 36%
  • TW30-1812-75 Filmtec Reverse Osmosis Membrane
  • 22010 Hydrologic BigBoy Replacement Sediment Filter

    22010 Hydrologic BigBoy Sediment Filter

    $44.99
    MSRP: $57.49
    Save 22%
  • RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge
  • 71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    $45.49
    MSRP: $68.99
    Save 34%
  • EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    $45.99
    MSRP: $81.65
    Save 44%
  • GXSM01HWW GE Shower Filter System

    GXSM01HWW GE Shower Filter System

    $45.99
    MSRP: $67.99
    Save 32%
  • WS-20BB Pentek Whole House Filter Replacement Cartridge

    WS-20BB Pentek Whole House Filter Replacement Cartridge

    $45.99
    MSRP: $52.08
    Save 12%
  • TFM-50-A Tier1 Reverse Osmosis Membrane

    TFM-50-A Tier1 Reverse Osmosis Membrane

    $45.99
    MSRP: $55.19
    Save 17%
  • 9601 Moen ChoiceFlo Faucet Filter Replacement Cartridge
  • E5715 Omnipure Replacement Filter Cartridge

    E5715 Omnipure Replacement Filter Cartridge

    $45.99
    MSRP: $52.89
    Save 13%
  • 22043 KDF Hydrologic Carbon Pre-Filter For Evolution-RO1000

    22043 KDF Hydrologic Carbon Pre-Filter For Evolution-RO1000

    $45.99
    MSRP: $55.19
    Save 17%
  • CTA-16-C Desal Reverse Osmosis Membrane

    CTA-16-C Desal Reverse Osmosis Membrane

    $46.49
    MSRP: $67.99
    Save 32%
  • 200362 Axeon TF-1812-150 Residential Reverse Osmosis Membrane
  • EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    $46.65
    MSRP: $65.54
    Save 29%
  • 35530 Brita UltraMax SMART OB24 144-Ounce Water Dispenser

    35530 Brita UltraMax SMART OB24 144-Ounce Water Dispenser

    $46.99
    MSRP: $56.34
    Save 17%
  • TFM-75 Desal Reverse Osmosis Membrane

    TFM-75 Desal Reverse Osmosis Membrane

    $46.99
    MSRP: $56.34
    Save 17%
  • W9122021 Doulton SuperCarb Replacement Element

    W9122021 Doulton SuperCarb Replacement Ceramic Water Filter

    $46.99
    MSRP: $54.26
    Save 13%
  • PFGG Rainshowr Gard'n Gro Garden Sediment Pre-Filter

    PFGG Rainshowr Gard'n Gro Garden Sediment Pre-Filter

    $46.99
    MSRP: $56.34
    Save 17%
  • CQE-RC-04052 Crystal Quest Bath Ball Filter Replacement Disk
  • CQE-SP-00803 Crystal Quest Luxury Shower Power Chrome Filter w/Massage Head
  • 47-55708G2 Water Factory Systems Replacement Filter Cartridge
  • 33001071 Hydrotech TFC Reverse Osmosis Membrane

    33001071 Hydrotech TFC Reverse Osmosis Membrane

    $47.49
    MSRP: $60.99
    Save 22%
  • K00374 Manitowoc Arctic Pure Replacement Ice Maker Filter Cartridge

    K00374 Manitowoc Arctic Pure Ice Maker Filter Cartridge

    $47.49
    MSRP: $81.99
    Save 42%
  • BW60-1812-75 Filmtec Reverse Osmosis Membrane

    BW60-1812-75 Filmtec Reverse Osmosis Membrane

    $47.49
    MSRP: $62.99
    Save 25%
  • 42556 Brita Grand SMART OB36 80-Ounce Water Pitcher

    42556 Brita Grand SMART OB36 80-Ounce Water Pitcher

    $47.99
    MSRP: $49.44
    Save 3%
  • MARINA-PITCHER Brita 64-Ounce Water Pitcher

    MARINA-PITCHER Brita 64-Ounce Water Pitcher

    $47.99
    MSRP: $49.44
    Save 3%
  • LF-EC25-BN Tier1 Contemporary Ceramic Faucet - Brushed Nickel
  • LF-EC25-SN Tier1 Contemporary Ceramic Faucet - Satin Nickel
  • FM-5050C PUR Flavor Options Faucet Filter System - Chrome
  • WHEEDF Whirlpool UltraEase Water Filter Pack

    WHEEDF Whirlpool UltraEase Water Filter Pack

    $47.99
    MSRP: $59.79
    Save 20%
  • CQE-RC-04006 Crystal Quest Fluoride Water Filter

    CQE-RC-04006 Crystal Quest Fluoride Water Filter

    $47.99
    MSRP: $63.24
    Save 24%
  • 3M Aqua-Pure AP817 Whole House Water Filter Cartridge
  • EFS8002 Everpure Replacement Filter Cartridge

    EFS8002 Everpure Replacement Filter Cartridge

    $48.99
    MSRP: $58.64
    Save 16%
  • Whirlpool WHAB-6010 Replacement Unit B Filter Cartridge

    WHAB-6010 Whirlpool Replacement Unit B Filter Cartridge

    $48.99
    MSRP: $62.09
    Save 21%
  • WHKF-DWHBB Whirlpool Filter Housing with Pressure Relief Valve - Clear
  • U25 OmniFilter Whole House Water Filter System

    OmniFilter U25 Whole House Water Filtration System

    $48.99
    MSRP: $58.64
    Save 16%
  • 602733 Trojan UVMAX E4 Quartz UV Lamp Sleeve

    602733 Trojan UVMAX E4 Quartz UV Lamp Sleeve

    $48.99
    MSRP: $58.64
    Save 16%
  • CQE-SP-00808 Crystal Quest Bath Ball Filter

    CQE-SP-00808 Crystal Quest Bath Ball Filter

    $48.99
    MSRP: $58.64
    Save 16%
  • HE7-CM Sprite Shower Pure 7-Setting Hand-Held Shower Filter (Chrome)
  • 602733 Viqua Quartz Sleeve for 602806 UV Lamp

    602733 Viqua Quartz Sleeve for 602806 UV Lamp

    $49.00
    MSRP: $64.00
    Save 23%
  • CQ-1000-DS Rainshowr Shower Filter System with Whedon Designer Shower Head - Chrome
  • CQ-1000-MS Rainshowr Shower Filter System with Pro Massage - White
  • CQE-RC-04002 Crystal Quest PLUS Multi-Stage Replacement Filter Cartridge

Items 49 to 96 of 118 total

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