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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.

19 Item(s)

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  • IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System
  • TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
  • FXUTC GE SmartWater Undersink Filter Replacement Cartridge
  • GS-215-CB5-B Pentek Inline Filter Replacement Cartridge

    GS-215-CB5-B Pentek Inline Water Filter Cartridge

    $24.69
    MSRP: $30.69
    Save 20%
  • QC10-GAC Pentek Undersink Quick-Change Filter System

    QC10-GAC Pentek Quick-Change Water Filter System

    $22.99
    MSRP: $30.69
    Save 25%
  • 47-55702G2 Water Factory Systems Whole House Replacement Sediment Filter Cartridge
  • R800 OmniFilter Quick Change Inline Refrigerator Filter

    R800 OmniFilter Quick Change Inline Filter

    $28.99
    MSRP: $35.64
    Save 19%
  • E5520 Omnipure Replacement Filter Cartridge

    E5520 Omnipure Replacement Filter Cartridge

    $21.99
    MSRP: $26.44
    Save 17%
  • E5620-P Omnipure Replacement Filter Cartridge

    E5620-P Omnipure Replacement Filter Cartridge

    $20.99
    MSRP: $31.04
    Save 32%
  • E5720-P Omnipure Replacement Filter Cartridge

    E5720-P Omnipure Replacement Filter Cartridge

    $25.99
    MSRP: $32.19
    Save 19%
  • K5633BB Omnipure Inline GAC Filter Cartridge

    K5633BB Omnipure Inline GAC Filter Cartridge

    $20.99
    MSRP: $23.34
    Save 10%
  • Q5620-P Omnipure Replacement Filter Cartridge

    Q5620-P Omnipure Replacement Filter Cartridge

    $23.99
    MSRP: $29.89
    Save 20%
  • Q5621-P Omnipure Replacement Filter Cartridge

    Q5621-P Omnipure Replacement Filter Cartridge

    $21.99
    MSRP: $27.59
    Save 20%
  • K5520-BB Omnipure Carbon Block Inline Filter

    K5520-BB Omnipure Carbon Block Inline Filter

    $22.99
    MSRP: $28.74
    Save 20%
  • KDF55-10 Tier1 Water Filter

    KDF55-10 Tier1 Water Filter

    $23.99
    MSRP: $27.34
    Save 12%
  • P1020266 Culligan Carbon Block Water Filter

19 Item(s)

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