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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28 Item(s)

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  • K5666-KK Omnipure Inline Fluoride Filter

    K5666-KK Omnipure Inline Fluoride Filter

    $39.59
    MSRP: $53.99
    Save 27%
  • FQSVF / FQSLF GE SmartWater Undersink Water Filter Replacement Cartridge Set By Tier1
  • FQK2J GE SmartWater Undersink Water Filter Replacement Cartridge Set by Tier1
  • 3M Aqua-Pure AP-250R Under Sink Water Filter
  • 3M Aqua-Pure AP-DW70 Undersink Filter Replacement Cartridge

    AP-DW70 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $47.99
    MSRP: $56.34
    Save 15%
  • EP35R 3M Aqua-Pure Water Filter Cartridge

    EP35R 3M Aqua-Pure Replacement Water Filter Cartridge

    $119.49
    MSRP: $158.99
    Save 25%
  • WI-BG3000C Body Glove Replacement Filter Cartridge

    WI-BG3000C Body Glove Replacement Filter Cartridge

    $158.99
    MSRP: $192.95
    Save 18%
  • WI-BG3000R Body Glove Replacement Filter Cartridge

    WI-BG3000R Body Glove Replacement Filter Cartridge

    $145.99
    MSRP: $174.95
    Save 17%
  • CB3 OmniFilter Undersink Filter Replacement Cartridge
  • RVF-10 Culligan RV Pre-Tank Exterior Filter

    RVF-10 Culligan RV Pre-Tank Exterior Filter

    $34.99
    MSRP: $38.51
    Save 9%
  • P-124B Cuno Whole House Filter Replacement Cartridge

    P-124B Cuno Whole House Water Filter Cartridge

    $97.05
    MSRP: $128.79
    Save 25%
  • EV9275-70 Everpure QL2-OW200L Filter System

    EV9275-70 Everpure QL2-OW200L Filter System

    $105.99
    MSRP: $176.99
    Save 40%
  • EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge

    EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge

    $120.49
    MSRP: $170.99
    Save 30%
  • EV9619-06 Everpure OW200L Replacement Filter Cartridge

    EV9619-06 Everpure OW200L Replacement Filter Cartridge

    $85.59
    MSRP: $118.99
    Save 28%
  • CBF3-S-05 OmniFilter Undersink Filter System

    CBF3-S-05 OmniFilter Undersink Water Filtration System

    $105.99
    MSRP: $108.34
    Save 2%
  • TRC-MM SteriPEN Portable UV System
  • 47-55711G2 Water Factory Systems Whole House Replacement Filter Cartridge
  • FM-350-DWS Water Factory Systems FaucetMATE Faucet Filter System
  • Whirlpool WHKF-DB2 Undersink Replacement Water Filter Cartridge
  • OT32-S-05 OmniFilter Whole House Filter System

    OT32-S-05 OmniFilter Undersink Water Filtration System

    $112.99
    MSRP: $132.24
    Save 15%
  • WHEEDF Whirlpool UltraEase Water Filter Pack

    WHEEDF Whirlpool UltraEase Water Filter Pack

    $47.99
    MSRP: $59.79
    Save 20%
  • US-UF3 Culligan Ultrafiltration Drinking Water System
  • US-UF3R Culligan Ultrafiltration Replacement Water Filter Cartridge Set
  • WHED20 Whirlpool Undersink Water Filtration System

    WHED20 Whirlpool Undersink Water Filtration System

    $105.99
    MSRP: $124.19
    Save 15%
  • WHERF Whirlpool Reverse Osmosis System Pre and Post Filter Set
  • BG-3000 Body Glove Water Filtration System

    BG-3000 Body Glove Water Filtration System

    $410.99
    MSRP: $516.95
    Save 20%
  • Water Sentinel WSAQ-1 Drinking Water Filter Replacement

    Water Sentinel WSAQ-1 Drinking Water Filter Replacement

    $42.99
    MSRP: $54.99
    Save 22%

28 Item(s)

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