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 104 total

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  • P1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • 155014-43 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • AP110 Aquapure Comparable Whole House Sediment Water Filter by Tier1
  • FXUSC GE Comparable Whole House Sediment Water Filter 2-Pack by Tier1
  • WHKF-DWHB Whirlpool Comparable Whole House Sediment Water Filter by Tier1
  • CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • TIER1-DGD1-20BB Whole House Sediment Water Filter
  • Hydronix HF2-10CLWH14 Clear 10 inch Filter Housing

    Hydronix HF2-10CLWH14 Clear 10 inch Filter Housing

    $16.99
    MSRP: $17.24
    Save 1%
  • Hydronix HF2-10CLWH12 Clear 10 inch Filter Housing
  • Hydronix SDC-45-1020 Sediment Filter Cartridge
  • Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    $21.99 MSRP: $31.73
    Save 31%
  • SDC-45-2020 Hydronix Sediment Water Filter

    SDC-45-2020 Hydronix Sediment Water Filter Cartridge

    $20.99 MSRP: $22.99
    Save 9%
  • DGD-2501 Pentek Comparable Whole House Filter by Tier1
  • Pentek WP5BB97P Replacement Water Filter Cartridge
  • PX05-9-78 Purtrex Replacement Water Filter

    PX05-9-78 Purtrex Replacement Water Filter

    $5.99 MSRP: $9.99
    Save 40%
  • SDC-45-1020 Hydronix Comparable Sediment Water Filter by Tier1
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  • PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    $3.99 MSRP: $6.99
    Save 43%
  • SDC-45-1010 Hydronix Comparable Sediment Water Filter by Tier1
  • SDC-25-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • P1-20BB Sediment Water Filter by Tier1
  • AQUA-PURE-AP124-2C Polypropylene Sediment Water Filter by Tier1
  • SDC-25-0501 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • W30W 3MAmerican Plumber Comparable Whole House Sediment Water Filter by Tier1
  • W50W American Plumber Comparable Whole House Sediment Water Filter by Tier1
  • SWC-25-1030 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SWC-25-1050-Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SWC-25-10100 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • WP-30 Pentek Comparable Whole House Sediment Filter by Tier1
  • RS7-SS OmniFilter Comparable Whole House Sediment Water Filter by Tier1
  • SDC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • RS16 Omnifilter Comparable Whole House Sediment Water Filter by Tier1
  • SWC-25-2001 Hydronix Comparable Whole House Sediment Water Filter by Tier 1
  • FPMB-BB20-10 Watts Comparable Whole House Sediment Water Filter by Tier 1
  • AP-GRMB-50PP-20UB 3M Aqua-Pure Comparable Whole House Sediment Filter by Tier1
  • SDC-25-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • GX50-20 Hytrex Comparable Whole House Sediment Water Filter by Tier1
  • PD-50-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

Items 1 to 48 of 104 total

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