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.

Items 1 to 48 of 499 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
  • FXWTC GE Comparable Whole House Water Filter 2-Pack by Tier1
  • CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1
  • W5CIP American Plumber Whole House Carbon Water Filter by Tier1
  • CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1
  • HB-10-5W Harmsco Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-1001 Hydronix 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
  • FMHC-90-5EZ Watts Comparable Whole House Sediment Water Filter by Tier1
  • D-10 Twin Culligan Comparable Whole House Carbon Water Filter by Tier1
  • D-15 Culligan Whole Comparable House Carbon Water Filter by Tier1
  • WH-STDCW-F02 Filtrete Comparable Whole House Carbon Filter by Tier1
  • C1 Pentek Comparable Whole House Carbon Water Filter by Tier1
  • HARMSCO-WB-20-W

    HARMSCO-WB-20-W

    $10.99
    MSRP: $14.99
    Save 27%
  • DuPont WFPTC100X Water Pitcher Replacement Cartridge High Protection
  • AWP117 Viqua Carbon Block Filter for S2Q-DWS UV System

    AWP117 Viqua Carbon Block Filter for S2Q-DWS UV System

    $10.99
    MSRP: $15.99
    Save 31%
  • Hydronix SPC-45-1020 Pleated Sediment Water Filter
  • EPM-20 Pentek Comparable Whole House Water Filter by Tier1

    EPM-20 Pentek Comparable Whole House Water Filter by Tier1

    $11.99
    MSRP: $20.99
    Save 43%
  • AQUAPURE-AP-GRMB-05PP-20UB

    AQUAPURE-AP-GRMB-05PP-20UB

    $11.99
  • AQUAPURE-AP-GRMB-10PP-20UB

    AQUAPURE-AP-GRMB-10PP-20UB

    $11.99
  • AQUAPURE-AP-GRMB-20PP-20UB

    AQUAPURE-AP-GRMB-20PP-20UB

    $11.99
  • AQUAPURE-AP-GRMB-50PP-20UB

    AQUAPURE-AP-GRMB-50PP-20UB

    $11.99
  • CULLIGAN-D-25

    CULLIGAN-D-25

    $11.99
  • K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    $11.99
    MSRP: $17.99
    Save 33%
  • Hydronix SPC-45-1030 Sediment Water Filter - Pleated
  • Pentek EP-10 Replacement Water Filter Cartridge

    Pentek EP-10 Filter Cartridge Replacement

    $11.99 MSRP: $15.34
    Save 22%
  • 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%
  • TO1SS OmniFilter Whole House Water Filter
  • W20CLHD American Plumber Whole House Sediment Filter by Tier1
  • ECP20-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • WS-21 Water Sentinel Misting System Replacement Filter

    WS-21 Water Sentinel Misting System Filter

    $12.05
    MSRP: $20.69
    Save 42%
  • AQUAMIRA-67401

    AQUAMIRA-67401

    $12.95
    MSRP: $17.19
    Save 25%
  • F2-WHITE Instapure Essentials Faucet Filter System - White

    F2-WHITE Instapure Essentials Faucet Filter System - White

    $12.99
    MSRP: $17.24
    Save 25%
  • RS6 OmniFilter Comparable Whole House Water Filter by Tier1

    RS6 OmniFilter Comparable Whole House Water Filter by Tier1

    $12.99
    MSRP: $17.99
    Save 28%
  • Pentek 255579-43 Inline Sediment Water Filter Replacement

    Pentek 255579-43 Inline Sediment Water Filter Replacement

    $12.99
    MSRP: $19.99
    Save 35%
  • HYDROLOGIC-22160

    HYDROLOGIC-22160

    $12.99
    MSRP: $17.99
    Save 28%
  • K2586-KK Omnipure Inline Water Filter

    K2586-KK Omnipure Inline Water Filter

    $12.99
    MSRP: $17.99
    Save 28%
  • 255541-43 Pentek Inline Water Filter Replacement
  • R30BB Pentek Comparable Whole House Water Filter by Tier1

    R30BB Pentek Tier1 Comparable Whole House Water Filter

    $12.99 MSRP: $17.99
    Save 28%
  • ECP5-BB Pentek Comparable Whole House Water Filter by Tier1

    ECP5-BB Pentek Comparable Whole House Water Filter by Tier1

    $12.99 MSRP: $17.99
    Save 28%
  • C1-20 Pentek Comparable Whole House Carbon Water Filter by Tier1
  • R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • WFPFC3002 DuPont Universal Whole House Pleated Poly Filter Cartridge (2-Pack)
  • HARMSCO-HAC-10-W

    HARMSCO-HAC-10-W

    $13.99
    MSRP: $18.99
    Save 26%
  • DuPont WFPTC050X Water Pitcher Replacement Cartridge
  • ECP5-BB Pentek Whole House Water Filter

Items 1 to 48 of 499 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
Scroll To Top