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 102 total

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  • 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    $8.99
    MSRP: $12.06
    Save 25%
  • 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%
  • 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
  • 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
  • PD-25-934 Pentek Comparable Whole House Water Filter by Tier1
  • RS2SS OmniFilter Comparable Whole House Water Filter by Tier1
  • Hydronix HF2-10CLWH12 Clear 10 inch Filter Housing
  • 22160 Triton Replacement Sediment Filter Cartridge by Hydrologic
  • Pentek CW-MF Whole House Water Filter Replacement Cartridge

    CW-MF Pentek Whole House Filter Replacement Cartridge

    $6.99 MSRP: $10.34
    Save 32%
  • P1 Pentek 10 x 2.5-inch Whole House Sediment Water Filter Replacement
  • P5-10 Tier1 Sediment Water Filter

    P5-10 Tier1 Sediment Water Filter

    $3.99 MSRP: $10.34
    Save 61%
  • Pentek P1 Polyproplyene Water Filter (10 x 2 1/2)
  • PX05-9-78 Purtrex Replacement Water Filter

    PX05-9-78 Purtrex Replacement Water Filter

    $5.99 MSRP: $9.99
    Save 40%
  • RS14-SS OmniFilter Whole House Water Filter
  • P20 Pentek 10 x 2.5-inch Comparable Whole House Sediment Water Filter
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  • CW-MF Pentek Comparable Whole House Sediment Waters Filter by Tier1 (6-Pack)
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • 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%
  • W25P American Plumber Comparable Whole House Sediment Water Filter by Tier1
  • W30W American 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
  • PD-1-934-Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PS1-10C Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX01-9-78 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • AP-GRMB-20PP-10UB Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1
  • SDC-25-1020 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • GX20-9-78 Hytrex Comparable Whole House Sediment Water Filter by Tier1
  • P25 Pentek Comparable Whole House Sediment Filter by Tier1
  • PS20-10C Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX20-9-78 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    $4.99
    MSRP: $11.99
    Save 58%
  • W25P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W30W American Plumber Whole House Sediment Water Filter Cartridge (2-Pack)
  • W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)

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