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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Items 1 to 48 of 97 total

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  • WHKF-DWHB Whirlpool Comparable Whole House Sediment Water Filter by Tier1
  • R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1
  • RS2SS OmniFilter Comparable Whole House Water Filter by Tier1
  • R200 Samsung Inline Water Filter Replacement by Tier1

    R200 OmniFilter Inline Water Filter Replacement by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • OB1-S-S06 OmniFilter Undersink Water Filter System
  • ROR2000-S-05 OmniFilter Reverse Osmosis Pre Filter Replacement
  • BF7-S-06 OmniFilter Undersink Filter System

    BF7-S-06 OmniFilter Undersink Filter System

    $84.39
    MSRP: $104.99
    Save 20%
  • RS14-SS OmniFilter Whole House Water Filter
  • RS1-SS OmniFilter Whole House Water Filter
  • RS6-SS2-S06 OmniFilter Whole House Cartridge
  • The Pentek C1 comparable Whole House Carbon Water Filter by Tier1

    Pentek C1 Comparable Carbon Block Water Filter by Tier1

    $15.99 MSRP: $19.99
    Save 20%
  • TO1SS OmniFilter Whole House Water Filter
  • TO6-SS2-S06 OmniFilter Whole House Water Filter
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1
  • FXHTC GE Comparable Whole House Radial Flow Carbon Water Filter by Tier1
  • SPC-45-1005 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-1010 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • TO6 OmniFilter Comparable Whole House Sediment Water Filter by Tier1
  • RS7-SS OmniFilter Comparable Whole House Sediment Water Filter by Tier1
  • AP817 3M Aqua-Pure Comparable Whole House Carbon Water Filter by Tier 1
  • RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1
  • RFC-BB Pentek Comparable Whole House Carbon Water Filter by Tier1
  • TO1DS OMNIFILTER Comparable Whole House Carbon Water Filter by Tier1 (2-Pack)
  • WHKF-DB1 Whirlpool Comparable Under Sink Water Filter by Tier1
  • WP-5 Pentek Comparable Replacement Filter Cartridge by Tier1
  • RS2DS OmniFilter Comparable Whole House Replacement Water Filter Cartridge by Tier1 (2-Pack)
  • MAXETW-975 Watts Comparable C-MAX Replacement Water Filter Cartridge by Tier1
  • CB3-SS6-06 OmniFilter Comparable Undersink Filter Replacement Cartridge by Tier1
  • EP-5 Pentek Replacement Filter Cartridge

    EP-5 Pentek Replacement Filter Cartridge

    $7.19
    MSRP: $11.99
    Save 40%
  • OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    $4.99
    MSRP: $11.99
    Save 58%
  • W20CLA American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W25P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W30PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)
  • W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WPD-110 American Plumber Whole House Sediment Filter Cartridge (2-Pack)

Items 1 to 48 of 97 total

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