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 50 total

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  • SWC-45-2001 Hydronix String Wound Sediment Water Filter
  • SWC-45-1001 Hydronix String-Wound Sediment Water Filter

    SWC-45-1001 Hydronix String-Wound Sediment Water Filter

    $17.99
    MSRP: $18.39
    Save 2%
  • Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge
  • DGD-2501-20 Pentek Whole House Sediment Filter
  • DGD-2501 Pentek Whole House Water Filter
  • Pentek P1-20 Whole House Water Filter Replacement Cartridge
  • P1 Pentek 10 x 2.5-inch Whole House Sediment Water Filter Replacement
  • DGD-2501 Pentek Comparable Whole House Filter by Tier1
  • Pentek P1 Polyproplyene Water Filter (10 x 2 1/2)
  • P1-20 Pentek Comparable Sediment Water Filter by Tier1

    P1-20 Pentek Comparable Sediment Water Filter by Tier1

    $5.99 MSRP: $10.99
    Save 45%
  • P1-20BB Sediment Water Filter by Tier1
  • SDC-25-0501 Hydronix 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
  • SDC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • RS16 Omnifilter Comparable Whole House Sediment Water Filter by Tier1
  • SDC-25-2001 Hydronix Comparable Sediment Water Filter by Tier1
  • SWC-25-2001 Hydronix Comparable Whole House Sediment Water Filter by Tier 1
  • PD-1-20 Pentek Comparable Sediment Water Filter by Tier1

    PD-1-20 Pentek Comparable Sediment Water Filter by Tier1

    $5.99 MSRP: $10.99
    Save 45%
  • PS1-20C Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX01-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • DGD-2501 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • SWC-45-1001 Comparable Hydronix String-Wound Sediment Water Filter by Tier1
  • Purtrex PX01-4-78 Polypropylene Sediment Filter

    Purtrex PX01-4-78 Polypropylene Sediment Filter

    $4.99
    MSRP: $5.16
    Save 3%
  • P1-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)
  • CFS9112 Cuno Whole House Filter Replacement Cartridge

    CFS9112 Cuno Whole House Filter Replacement Cartridge

    $62.99
    MSRP: $71.29
    Save 12%
  • SDC-45-1001 Hydronix Whole House Replacement Sediment Filter Cartridge
  • PD-1-20 Pentek Whole House Replacement Sediment Filter Cartridge
  • WP1BB20P Pentek Whole House Filter Replacement Cartridge

    WP1BB20P Pentek Whole House Filter Replacement Cartridge

    $36.99
    MSRP: $39.55
    Save 6%
  • WP1BB97P Pentek Replacement Filter Cartridge
  • PX01-20 Purtrex Replacement Filter Cartridge

    PX01-20 Purtrex Replacement Water Filter Cartridge

    $7.99
    MSRP: $10.34
    Save 23%
  • PX01-30 Purtrex Sediment Filter Cartridge

    PX01-30 Purtrex Sediment Filter Cartridge

    $10.99
    MSRP: $15.99
    Save 31%
  • PX01-9-78 Purtrex Replacement Filter Cartridge

    PX01-9-78 Purtrex Replacement Filter Cartridge

    $5.09
    MSRP: $8.99
    Save 43%
  • GX01-20 Hytrex Replacement Filter Cartridge

    GX01-20 Hytrex Water Filter Cartridge

    $8.99
    MSRP: $12.64
    Save 29%
  • GX01-30 Hytrex Water Filter Cartridge

    GX01-30 Hytrex Water Filter Cartridge

    $11.99
    MSRP: $16.09
    Save 25%
  • GX01-9-78 Hytrex Replacement Filter Cartridge

    GX01-9-78 Hytrex Replacement Water Filter Cartridge

    $5.49
    MSRP: $8.61
    Save 36%
  • RS16 OmniFilter Whole House Replacement Filter Cartridge
  • SDC-25-2001 Hydronix Sediment Water Filter Cartridge

    SDC-25-2001 Hydronix Sediment Water Filter Cartridge

    $6.99
    MSRP: $8.04
    Save 13%
  • SDC-25-1001 Hydronix Sediment Water Filter Cartridge
  • SWC-25-2001 Hydronix String Wound Sediment Water Filter (1 micron)
  • PS1-20C Pentek Sediment Water Filter

    PS1-20C Pentek Sediment Water Filter

    $7.99
    MSRP: $13.55
    Save 41%
  • P1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • P1-5 Tier1 Sediment Filter Cartridge

    P1-5 Tier1 Sediment Filter Cartridge

    $4.99
    MSRP: $8.34
    Save 40%
  • Purtrex PX01-40 Polypropylene Sediment Filter

    Purtrex PX01-40 Polypropylene Sediment Filter

    $12.99
    MSRP: $17.24
    Save 25%
  • TIER1-DGD1-20BB Whole House Sediment Water Filter
  • AP-GRMB-01PP-20UB Whole House Replacement Water Filter by 3M Aqua-Pure
  • AP1001 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1

Items 1 to 48 of 50 total

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