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 85 total

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  • Pentek P1-20 Whole House Water Filter Replacement Cartridge
  • P5-10BB Tier1 Sediment Water Filter

    P5-10BB Tier1 Sediment Water Filter

    $11.99 MSRP: $24.64
    Save 51%
  • 22160 Triton Replacement Sediment Filter Cartridge by Hydrologic
  • SDC-45-1020 Hydronix Comparable Sediment Water Filter by Tier1
  • SDC-45-1010 Hydronix Comparable Sediment Water Filter by Tier1
  • FPMB-BB20-10 Watts Comparable Whole House Sediment Water Filter by Tier 1
  • Hydronix SDC-45-1020 Sediment Filter Cartridge
  • DGD-2501 Pentek Whole House Water Filter
  • DGD-7525 Pentek Whole House Sediment Filter
  • P5-20BB Tier1 Sediment Water Filter

    P5-20BB Tier1 Whole House Sediment Water Filter

    $14.99 MSRP: $25.76
    Save 42%
  • DGD-5005 Pentek Whole House Filter Cartridge
  • Hydronix HF2-10CLWH12 Clear 10 inch Filter Housing
  • Hydronix HF2-10CLWH14 Clear 10 inch Filter Housing

    Hydronix HF2-10CLWH14 Clear 10 inch Filter Housing

    $16.99
    MSRP: $17.24
    Save 1%
  • CMB-510-HF Advanced Water Products 10-inch x 4.5-inch Replacement Sediment Filter
  • CMB-510-HF Viqua Sediment Whole House Filter

    CMB-510-HF Viqua Sediment Whole House Filter

    $16.99
    MSRP: $19.34
    Save 12%
  • Tier1 P20-20BB Whole House Replacement Sediment Filter Cartridge
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • Hytrex GX30-20 Polypropylene Sediment Filter

    Hytrex GX30-20 Polypropylene Sediment Filter

    $11.59
    MSRP: $18.99
    Save 39%
  • PURTREX PX05-29-14 Sediment Filter

    PURTREX PX05-29-14 Sediment Filter

    $11.99
    MSRP: $14.34
    Save 16%
  • Hydronix GX50-30 Polypropylene Sediment Filter

    Hydronix GX50-30 Polypropylene Sediment Filter

    $12.99
    MSRP: $14.36
    Save 10%
  • Purtrex PX05-30 Polypropylene Sediment Filter

    Purtrex PX05-30 Polypropylene Sediment Filter

    $13.99
    MSRP: $16.34
    Save 14%
  • Hytrex GX05-29-14 Polypropylene Sediment Filter

    Hytrex GX05-29-14 Polypropylene Sediment Filter

    $14.99
    MSRP: $17.34
    Save 14%
  • Harmsco PO-25-G1PS-EA Polypropylene Filter Bag

    Harmsco PO-25-G1PS-EA Polypropylene Filter Bag

    $18.99
    MSRP: $21.34
    Save 11%
  • Hytrex GX05-30 Polypropylene Sediment Filter

    Hytrex GX05-30 Polypropylene Sediment Filter

    $18.99
    MSRP: $21.34
    Save 11%
  • Pentek PX03-20 Polypropylene Sediment Filter

    Purtrex PX03-20 Polypropylene Sediment Filter

    $19.99
    MSRP: $22.34
    Save 11%
  • AP111 3M Aqua-Pure Whole House Filter Replacement Cartridge
  • PX01-30 Purtrex Sediment Filter Cartridge

    PX01-30 Purtrex Sediment Filter Cartridge

    $10.99
    MSRP: $15.99
    Save 31%
  • WHKF-WHSW Whirlpool Whole House Replacement Sediment Filter Cartridge (2-Pack)
  • SWC-25-2001 Hydronix String Wound Sediment Water Filter (1 micron)
  • AP-GRMB-01PP-20UB Whole House Replacement Water Filter by 3M Aqua-Pure
  • 3M Aqua-Pure AP110 Whole House Water Filter Cartridge

    3M Aqua-Pure AP110 Whole House Filter Replacement Cartridge

    $11.99
    MSRP: $18.14
    Save 34%
  • P1-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)
  • P5-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)
  • GX01-30 Hytrex Water Filter Cartridge

    GX01-30 Hytrex Water Filter Cartridge

    $11.99
    MSRP: $16.09
    Save 25%
  • K2305-KK Omnipure Inline Sediment Filters

    K2305-KK Omnipure Inline Sediment Filters

    $11.99
    MSRP: $24.14
    Save 50%
  • AP-GRMB-05PP-20UB Whole House Replacement Filter by 3M Aqua-Pure
  • AP-GRMB-10PP-20UB Whole House Replacement Cartridge by 3M Aqua-Pure
  • AP-GRMB-20PP-20UB Whole House Water Filter Replacement Cartridge
  • AP-GRMB-50PP-20UB Whole House Water Filter Replacement Cartridge
  • Q5505 Omnipure Water Filter

    Q5505 Omnipure Water Filter

    $12.09
    MSRP: $21.99
    Save 45%
  • GX10-30 Hytrex Replacement Filter Cartridge

    GX10-30 Hytrex Water Filter Cartridge

    $12.59
    MSRP: $19.99
    Save 37%
  • W25P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W30W American Plumber Whole House Sediment Water Filter Cartridge (2-Pack)
  • W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • 3M Aqua-Pure AP124 Whole House Water Filter Cartridge

    AP124 3M Aqua-Pure Whole House Filter Replacement Cartridge

    $12.99
    MSRP: $17.24
    Save 25%
  • RWC-5 Culligan Level 1 Undersink Filter Replacement Cartridge

Items 1 to 48 of 85 total

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