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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21 Item(s)

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  • HYDROLOGIC-22105

    HYDROLOGIC-22105

    $8.99
    MSRP: $12.06
    Save 25%
  • HYDROLOGIC-22110

    HYDROLOGIC-22110

    $18.99
  • HYDROLOGIC-22140

    HYDROLOGIC-22140

    $9.99
    MSRP: $13.79
    Save 28%
  • 22160 Triton Replacement Sediment Filter Cartridge by Hydrologic
  • Triton Water Filters Replacement Color Changing Di Cartridge Hydrologic 22016
  • HYDROLOGIC-22155

    HYDROLOGIC-22155

    $64.39
    MSRP: $79.99
    Save 20%
  • 22120 Hydrologic Stealth RO 100GPD Membrane

    22120 Hydrologic Stealth RO 100GPD Membrane

    $59.99
    MSRP: $64.99
    Save 8%
  • 22010 Hydrologic Comparable Whole House Water Filter by Tier1
  • 22125 Hydrologic Stealth-RO Replacement Sediment Filter

    22125 Hydrologic Stealth-RO Sediment Filter

    $13.99
    MSRP: $15.51
    Save 10%
  • 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%
  • 19026 Hydrologic Water Filtration System Pressure Gauge

    19026 Hydrologic Water Filtration System Pressure Gauge

    $33.79
    MSRP: $53.99
    Save 37%
  • HYDROLOGIC-26040

    HYDROLOGIC-26040

    $15.99
    MSRP: $19.00
    Save 16%
  • 27020 Hydrologic Reverse Osmosis System Float Valve
  • HYDROLOGIC-35010

    HYDROLOGIC-35010

    $98.99
  • 22080 Hydrologic Reverse Osmosis Carbon Pre-Filter
  • 25057 Hydrologic Reverse Osmosis Water Filter Tubing

    25057 Hydrologic Reverse Osmosis Water Filter Tubing

    $22.99
    MSRP: $23.99
    Save 4%
  • HYDROLOGIC-22006

    HYDROLOGIC-22006

    $80.99
  • 22010 Hydrologic BigBoy Replacement Sediment Filter

    22010 Hydrologic BigBoy Sediment Filter

    $44.99
    MSRP: $57.49
    Save 22%
  • 22017 Hydrologic Replacement De-Ionization Cartridge

    22017 Hydrologic Deionization Filter Cartridge

    $54.99
    MSRP: $71.29
    Save 23%
  • HYDROLOGIC-22070

    HYDROLOGIC-22070

    $88.99
    MSRP: $123.04
    Save 28%
  • 22006 Hydrologic Comparable Whole House Water Filter by Tier1

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