Discount Water Filters and Air Filters at Discount Filter Store.com

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Water Filtration Systems, Filters, & Parts

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 93 total

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  • SPC-25-2010 Hydronix Pleated Sediment Water Filter

    SPC-25-2010 Hydronix Pleated Sediment Water Filter

    $10.99
    MSRP: $12.64
    Save 13%
  • AP-GRMB-01PP-20UB Whole House Replacement Water Filter by 3M Aqua-Pure
  • Pentek R30 Replacement Water Filter Cartridge
  • SDC-45-1005 Hydronix Whole House Filter Replacement by Tier1

    SDC-45-1005 Hydronix Whole House Filter Replacement by Tier1

    $11.99 MSRP: $24.64
    Save 51%
  • 4WH-HDGR-F01 Filtrete Comparable Whole House Sediment Water Filter by Tier1
  • SDC-45-1005 Hydronix Whole House Replacement Sediment Filter Cartridge Comparable by Tier1
  • S1-20 Pentek Whole House Filter Replacement Cartridge

    S1-20 Pentek Whole House Filter Replacement Cartridge

    $12.99 MSRP: $17.99
    Save 28%
  • WP-5BB97P Pentek Comparable Replacement Filter Cartridge by Tier1
  • SDC-45-1001 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-45-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • P5-30 Pentek Whole House Replacement Sediment Filter Cartridge
  • Pentek ECP5-20 Replacement Water Filter Cartridge
  • SDC-45-1010 Hydronix Whole House Replacement Sediment Comparable Filter Cartridge by Tier1
  • SDC-45-1010 Hydronix Whole House Replacement Sediment Filter Cartridge
  • ECP50-20 Pentek Replacement Filter Cartridge

    ECP50-20 Pentek Replacement Filter Cartridge

    $14.99
    MSRP: $17.70
    Save 15%
  • SPC-25-2020 Hydronix Pleated Sediment Water Filter

    SPC-25-2020 Hydronix Pleated Sediment Water Filter

    $14.99
    MSRP: $20.99
    Save 29%
  • SPC-25-2005 Hydronix Pleated Sediment Water Filter

    SPC-25-2005 Hydronix Pleated Sediment Water Filter

    $14.99
    MSRP: $20.99
    Save 29%
  • ECP1-20 Pentek Replacement Filter Cartridge

    ECP1-20 Pentek Replacement Filter Cartridge

    $15.99
    MSRP: $17.70
    Save 10%
  • SPC-45-1010 Hydronix Pleated Sediment Water Filter

    SPC-45-1010 Hydronix Pleated Sediment Water Filter

    $16.99
    MSRP: $21.99
    Save 23%
  • SPC-25-2030 Hydronix Pleated Sediment Water Filter

    SPC-25-2030 Hydronix Pleated Sediment Water Filter

    $16.99
    MSRP: $23.99
    Save 29%
  • WP1BB97P Pentek Replacement Filter Cartridge
  • RS15 OmniFilter Whole House Replacement Filter Cartridge
  • R50-BB Pentek Whole House Water Filter

    R50-BB Pentek Whole House Filter Replacement Cartridge

    $17.99 MSRP: $21.34
    Save 16%
  • WP-5BB97P Pentek Replacement Filter Cartridge

    WP-5BB97P Pentek Replacement Filter Cartridge

    $18.99
    MSRP: $24.99
    Save 24%
  • RS16 OmniFilter Whole House Replacement Filter Cartridge
  • SPC-25-2001 Hydronix Pleated Sediment Water Filter

    SPC-25-2001 Hydronix Pleated Sediment Water Filter

    $18.99
    MSRP: $25.99
    Save 27%
  • SDC-45-2001 Hydronix Comparable Whole House Replacement Sediment Filter Cartridge by Tier1
  • 3G-STANDARD-34-PR10 Pentek Whole House 3G Standard 10 inch Filter Housing
  • 3M Aqua-Pure AP110-2C Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP810 Comparable Whole House Filter Replacement Cartridge by Tier1
  • W20CLA American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • 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)
  • W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • CW-F-D Culligan Level 3 Whole House Filter Replacement Cartridge (2-Pack)
  • RS19 OmniFilter Reusable Screen Filter Cartridge

    RS19 OmniFilter Reusable Screened Water Filter Cartridge

    $14.49
    MSRP: $20.99
    Save 31%
  • WPD-110 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)
  • Pentek KO1HE3 Polypropylene High Efficiency Filter Bag

    Pentek KO1HE3 Polypropylene High Efficiency Filter Bag

    $16.99
    MSRP: $19.34
    Save 12%
  • P25-30 Comparable Polypropylene Sediment Filter by Tier1
  • 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
  • Pentek ECP1-10 Replacement Water Filter Cartridge

    ECP1-10 Pentek Replacement Filter Cartridge

    $11.99 MSRP: $17.99
    Save 33%
  • Pentek EP-10 Replacement Water Filter Cartridge

    Pentek EP-10 Filter Cartridge Replacement

    $11.99 MSRP: $15.34
    Save 22%

Items 1 to 48 of 93 total

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