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

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  • 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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18 Item(s)

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  • TFM-50-A Tier1 Reverse Osmosis Membrane

    TFM-50-A Tier1 Reverse Osmosis Membrane

    $45.99
    MSRP: $55.19
    Save 17%
  • P1 Pentek 10 x 2.5-inch Whole House Sediment Water Filter Replacement
  • EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    $22.99 MSRP: $26.34
    Save 13%
  • P5-478 Pentek Sediment Water Filter

    P5-478 Pentek Comparable Sediment Water Filter by Tier1

    $3.99 MSRP: $7.99
    Save 50%
  • FLOPLUS-10BB Pentek Comparable Whole House Carbon Water Filter by Tier1
  • 22070 Hydrologic Comparable Whole House Carbon Filter by Tier1

    22070 Hydrologic Comparable Whole House Carbon Filter by Tier1

    $87.99 MSRP: $105.99
    Save 17%
  • AP117 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1
  • GAC-20 Pentek Comparable Granular Activated Carbon Water Filter by Tier1
  • EP-BB Pentek Comparable Carbon Block Water Filter by Tier1

    EP-BB Pentek Comparable Carbon Block Water Filter by Tier1

    $22.99 MSRP: $26.34
    Save 13%
  • TFM-50 Comparable Reverse Osmosis Membrane by Tier1

    TFM-50 Comparable Reverse Osmosis Membrane by Tier1

    $45.99 MSRP: $55.19
    Save 17%
  • TW30-1812-50 Watts Comparable Reverse Osmosis Membrane by Tier1
  • TW30-1812-50 Filmtec Comparable Reverse Osmosis Membrane by Tier1
  • TF-1812-50 Axeon Comparable Reverse Osmosis Membrane by Tier1
  • WP-5 Pentek Comparable Replacement Filter Cartridge by Tier1
  • DBC-10EX2 Pentek Comparable Water Filter Cartridge Replacement by Tier1
  • KDF55-10BB Tier1 Water Filter
  • KDF85-10BB Tier1 Water Filter

    KDF85-10BB Tier1 Water Filter

    $81.99
    MSRP: $86.24
    Save 5%
  • KDF-SHF Tier1 Shower Filter

    KDF-SHF Tier1 Shower Filter

    $29.99
    MSRP: $36.79
    Save 18%

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