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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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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44 Item(s)

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  • 3M Aqua-Pure AP117 Whole House Water Filter Cartridge

    3M Aqua-Pure AP117 Whole House Filter Replacement Cartridge

    $28.99
    MSRP: $54.13
    Save 46%
  • 3M Aqua-Pure APS117 Whole House Water Filter Replacement Cartridge
  • CULLIGAN-HSH-C135

    CULLIGAN-HSH-C135

    $50.29
    MSRP: $57.49
    Save 13%
  • WHR-140 Culligan Level 2 Shower Filter Replacement Cartridge
  • WSH-C125 Culligan Filtered Shower Head with Massage Feature

    WSH-C125 Culligan Filtered Shower Head with Massage Feature

    $34.99
    MSRP: $39.66
    Save 12%
  • EV9324-02 Everpure Ice Machine Filter System

    EV9324-02 Everpure Ice Machine Filter System

    $376.99
    MSRP: $450.79
    Save 16%
  • EV9797-21 Everpure Commercial Filter System

    EV9797-21 Everpure Commercial Filter System

    $599.99
    MSRP: $692.29
    Save 13%
  • FXHSC GE SmartWater Whole House Filter Replacement Cartridge
  • FXSCH GE Shower Replacement Filter Cartridge

    FXSCH GE Shower Replacement Filter Cartridge

    $15.99
    MSRP: $27.99
    Save 43%
  • GXSM01HWW GE Shower Filter System

    GXSM01HWW GE Shower Filter System

    $45.99
    MSRP: $67.99
    Save 32%
  • H9655-11 Hoshizaki Replacement Filter Cartridge

    H9655-11 Hoshizaki Replacement Water Filter Cartridge

    $77.39
    MSRP: $94.99
    Save 19%
  • AR5-CM Sprite Royale Filtered Shower Head - Chrome
  • AR5-CT Sprite Royale Filtered Shower Head - White / Chrome
  • SPRITE-HH-CT

    SPRITE-HH-CT

  • HR5-CM Sprite Royale Handheld Shower Filter System - Chrome
  • HR5-WH Sprite Royale Handheld Shower Filter System - White

    HR5-WH Sprite Royale Shower Filter System: Handheld, White

    $42.99
    MSRP: $51.74
    Save 17%
  • 20743 Katadyn Replacement Ceramic Element

    20743 Katadyn Replacement Ceramic Element

    $74.89
    MSRP: $93.99
    Save 20%
  • KX-MATRIKX-5-HD10

    KX-MATRIKX-5-HD10

  • MATRIKX-CR1-10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • KX-MATRIKX-CTO2-HD10

    KX-MATRIKX-CTO2-HD10

    $31.99
    MSRP: $32.19
    Save 1%
  • 3038333 Merlin Reverse Osmosis Carbon Pre Filter

    3038333 Merlin Reverse Osmosis Carbon Pre Filter

    $28.59
    MSRP: $35.99
    Save 21%
  • BEVGUARD-BGE-3200

    BEVGUARD-BGE-3200

    $80.69
    MSRP: $83.33
    Save 3%
  • BEVGUARD-BGE-3200S

    BEVGUARD-BGE-3200S

    $90.09
    MSRP: $91.67
    Save 2%
  • BGE-4200S BevGuard Water Filter Cartridge

    BGE-4200S BevGuard Water Filter Cartridge

    $76.29
    MSRP: $94.99
    Save 20%
  • BGE-4200 BevGuard Water Filter Replacement Cartridge

    BGE-4200 BevGuard Water Filter Replacement Cartridge

    $63.59
    MSRP: $86.99
    Save 27%
  • CRYSTAL-QUEST-CQE-RC-04052

    CRYSTAL-QUEST-CQE-RC-04052

    $46.99
    MSRP: $56.34
    Save 17%
  • CRYSTAL-QUEST-CQE-SP-00800

    CRYSTAL-QUEST-CQE-SP-00800

    $31.99
  • CRYSTAL-QUEST-CQE-SP-00801

    CRYSTAL-QUEST-CQE-SP-00801

    $32.99
  • CRYSTAL-QUEST-CQE-SP-00808

    CRYSTAL-QUEST-CQE-SP-00808

    $48.99
  • CRYSTAL-QUEST-CQE-SP-00809

    CRYSTAL-QUEST-CQE-SP-00809

    $61.99
  • Sprite SL2-WHCT Slim-Line 2 Universal Shower Filter (White and Chrome)
  • SL2-WHCT-M Sprite Slim-Line Universal Shower Filter with Massage Head (White and Chrome)
  • SPRITE-AE7-CM

    SPRITE-AE7-CM

    $41.99
    MSRP: $50.59
    Save 17%
  • SPRITE-ACA5-CM

    SPRITE-ACA5-CM

    $49.99
    MSRP: $59.79
    Save 16%
  • SPRITE-AW1-CM

    SPRITE-AW1-CM

    $28.99
    MSRP: $36.79
    Save 21%
  • SPRITE-ACT8-CM

    SPRITE-ACT8-CM

  • RS5-934 Whole House Replacement Water Filter by Tier1

    TIER1-RS5-934

    $3.99
  • WFPF13003B DuPont Universal Whole House Filtration System
  • WFPF38001C DuPont Universal Valve-In-Head Whole House Water Filtration System
  • WFPFC3002 DuPont Universal Whole House Pleated Poly Filter Cartridge (2-Pack)
  • RS14-SS OmniFilter Whole House Water Filter
  • RS1-SS OmniFilter Whole House Water Filter
  • TO1SS OmniFilter Whole House Water Filter
  • TO6-SS2-S06 OmniFilter Whole House Water Filter

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