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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

Clear All
Compare

Items 1 to 48 of 51 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
  • WHKF-DWHB Whirlpool Comparable Whole House Sediment Water Filter by Tier1
  • R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • Pentek WS-10 Water Softening Water Filter

    Pentek WS-10 Water Softening Filter

    $19.59 MSRP: $24.83
    Save 21%
  • Pentek S1-BB Replacement Water Filter Cartridge

    Pentek S1-BB Water Filter Cartridge Replacement

    $14.99 MSRP: $17.99
    Save 17%
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1
  • S1-20BB Pentek Comparable Whole House Water Filter by Tier1

    S1-20BB Pentek Comparable Whole House Water Filter by Tier1

    $16.99 MSRP: $26.99
    Save 37%
  • ECP5-BB Pentek Comparable Whole House Water Filter by Tier1
  • W5CIP American Plumber Whole House Carbon Water Filter by Tier1
  • W20CLHD American Plumber Whole House Sediment Filter by Tier1
  • ECP20-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • HB-10-5W Harmsco Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-1005 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-1010 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • TO6 OmniFilter Comparable Whole House Sediment Water Filter by Tier1
  • W20CLHD20 American Plumber Comparable Whole House 20-inch Heavy Duty Filter Cartridge by Tier1
  • AMERICAN-PLUMBER-DW-200-R

    AMERICAN-PLUMBER-DW-200-R

    $19.59
    MSRP: $21.15
    Save 7%
  • W20CLA American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • AMERICAN-PLUMBER-W25P

    AMERICAN-PLUMBER-W25P

    $12.99
    MSRP: $13.79
    Save 6%
  • AMERICAN-PLUMBER-W30PE

    AMERICAN-PLUMBER-W30PE

    $16.99
    MSRP: $18.04
    Save 6%
  • AMERICAN-PLUMBER-W30W

    AMERICAN-PLUMBER-W30W

    $12.99
    MSRP: $13.79
    Save 6%
  • W385-PR American Plumber Undersink Compact Filter System

    W385-PR American Plumber Undersink Compact Filter System

    $19.99
    MSRP: $28.74
    Save 30%
  • W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • AMERICAN-PLUMBER-W50W

    AMERICAN-PLUMBER-W50W

    $13.99
  • AMERICAN-PLUMBER-W5CIP478

    AMERICAN-PLUMBER-W5CIP478

    $16.99
    MSRP: $17.24
    Save 1%
  • AMERICAN-PLUMBER-W5P

    AMERICAN-PLUMBER-W5P

    $12.99
    MSRP: $13.79
    Save 6%
  • AMERICAN-PLUMBER-W5W

    AMERICAN-PLUMBER-W5W

    $13.99
  • AMERICAN-PLUMBER-WCC

    AMERICAN-PLUMBER-WCC

    $19.99
  • AMERICAN-PLUMBER-WGC478

    AMERICAN-PLUMBER-WGC478

    $13.99
    MSRP: $14.94
    Save 6%
  • WIC-6A American Plumber Inline Icemaker Filter
  • WICA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
  • WICSA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
  • AMERICAN-PLUMBER-WPD-110

    AMERICAN-PLUMBER-WPD-110

    $14.99
  • TS-101L Pentek Lime/Scale Inline Filter

    TS-101L Pentek Lime/Scale Inline Filter

    $13.19
    MSRP: $20.99
    Save 37%
  • LF-BLR Tier1 Long-Reach Faucet - Chrome

    LF-BLR Tier1 Long-Reach Faucet - Chrome

    $17.99
    MSRP: $26.32
    Save 32%
  • LF-BLRAG Tier1 Long-Reach Air-Gap Faucet - Chrome

    LF-BLRAG Tier1 Long-Reach Air-Gap Faucet - Chrome

    $18.99
    MSRP: $34.72
    Save 45%
  • WIC American Plumber Inline Quick Connect Filter

    WIC American Plumber Inline Quick Connect Filter

    $14.99
    MSRP: $19.99
    Save 25%
  • 3M Aqua-Pure AP810 Comparable Whole House Filter Replacement Cartridge by Tier1
  • TIER1-S1-BB

    TIER1-S1-BB

    $11.99
    MSRP: $17.99
    Save 33%
  • W20CLHD American Plumber Whole House Heavy Duty Filter Cartridge
  • SDC-45-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • GAC-20 Pentek Replacement Filter Cartridge

    GAC-20 Pentek Replacement Filter Cartridge

    $18.49
    MSRP: $29.99
    Save 38%
  • WP-5BB97P Pentek Replacement Filter Cartridge

    WP-5BB97P Pentek Replacement Filter Cartridge

    $18.99
    MSRP: $24.99
    Save 24%
  • WP1BB97P Pentek Replacement Filter Cartridge
  • WPX100BB97P Pentek Replacement Filter Cartridge

    WPX100BB97P Pentek Replacement Filter Cartridge

    $18.99
    MSRP: $24.14
    Save 21%
  • WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    $19.99
    MSRP: $24.14
    Save 17%
  • 153017 Pentek Slim Line Filter Housing Sump - Blue

    153017 Pentek Slim Line Filter Housing Sump - Blue

    $11.29
    MSRP: $15.28
    Save 26%
  • 153018 Pentek Slim Line Filter Housing Sump - Clear

    153018 Pentek Slim Line Filter Housing Sump - Clear

    $18.99
    MSRP: $21.84
    Save 13%

Items 1 to 48 of 51 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
Scroll To Top