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!

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

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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 77 total

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  • F-20-2215 Aries Polypropylene Sediment Water Filter Replacement by Tier1
  • EPM-20BB Pentek Comparable Whole House Water Filter by Tier1
  • WFPF13003B DuPont Universal Whole House Filtration System
  • WFHD13001B DuPont Universal Heavy Duty Whole House Filtration System
  • WFPF38001C DuPont Universal Valve-In-Head Whole House Water Filtration System
  • FRSS-3.5 Sterilight 3.5 GPM 1/2-inch Flow Restrictor
  • FRSS-3.5 Viqua 3.5 GPM 1/2-inch Flow Restrictor

    FRSS-3.5 Viqua 3.5 GPM 1/2-inch Flow Restrictor

    $69.99
    MSRP: $90.00
    Save 22%
  • C1-20 Pentek Comparable Whole House Water Filter by Tier1 (4-Pack)
  • EP-20BB Pentek Replacement Water Filter
  • EPM-20BB Pentek Whole House Filter Cartridge

    EPM-20BB Pentek Whole House Filter Replacement Cartridge

    $47.99 MSRP: $59.99
    Save 20%
  • GAC20-BB Pentek Whole House Water Filter

    GAC20-BB Pentek Whole House Filter Replacement Cartridge

    $44.99 MSRP: $66.31
    Save 32%
  • EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

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

    $36.99 MSRP: $48.99
    Save 24%
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • 3M Aqua-Pure APS117 Whole House Water Filter Replacement Cartridge
  • 42622 Brita On-Tap FF-100 Faucet Filter System - Chrome
  • 42618 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - Chrome (2-Pack)
  • 42402 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White (2-Pack)
  • HSH-C135 Culligan Handheld Filtered Shower Head with Massage
  • WSH-C125 Culligan Filtered Shower Head with Massage Feature

    WSH-C125 Culligan Filtered Shower Head with Massage Feature

    $34.99
    MSRP: $39.66
    Save 12%
  • CFS01S Cuno Whole House Filter Housing

    CFS01S Cuno Whole House Water Filter Housing

    $132.05
    MSRP: $152.94
    Save 14%
  • CFS02S Cuno Whole House Filter Housing

    CFS02S Cuno Whole House Water Filter Housing

    $184.49
    MSRP: $214.46
    Save 14%
  • CFS11S Cuno Whole House Filter Housing

    CFS11S Cuno Whole House Filter Housing

    $95.99
    MSRP: $101.19
    Save 5%
  • HF60-S Cuno Whole House Filter Replacement Cartridge

    HF60-S Cuno Whole House Filter Replacement Cartridge

    $138.99
    MSRP: $160.99
    Save 14%
  • HF65 Cuno Whole House Filter Replacement Cartridge

    HF65 Cuno Whole House Filter Replacement Cartridge

    $127.99
    MSRP: $148.80
    Save 14%
  • HF65-S Cuno Whole House Filter Replacement Cartridge

    HF65-S Cuno Whole House Filter Replacement Cartridge

    $133.99
    MSRP: $155.81
    Save 14%
  • EV9324-02 Everpure Ice Machine Filter System

    EV9324-02 Everpure Ice Machine Filter System

    $376.99
    MSRP: $450.79
    Save 16%
  • EV9797-21 Everpure Commercial Filter System

    EV9797-21 Everpure Commercial Filter System

    $599.99
    MSRP: $692.29
    Save 13%
  • FXHTC GE SmartWater Whole House Filter Replacement Cartridge
  • GXSM01HWW GE Shower Filter System

    GXSM01HWW GE Shower Filter System

    $45.99
    MSRP: $67.99
    Save 32%
  • H9655-11 Hoshizaki Replacement Filter Cartridge

    H9655-11 Hoshizaki Replacement Water Filter Cartridge

    $77.09
    MSRP: $94.99
    Save 19%
  • MATRIKX-1-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • AR5-CM Sprite Royale Filtered Shower Head - Chrome
  • AR5-CT Sprite Royale Filtered Shower Head - White / Chrome
  • FXS-CM-S3 Sprite ShowerUp Shower Filter System and Extension Arm
  • HH-CT Sprite Original Handheld Shower Filter System - White / Chrome
  • HR5-CM Sprite Royale Handheld Shower Filter System - Chrome

    HR5-CM Sprite Royale Handheld Shower Filter System - Chrome

    $49.99
    MSRP: $59.79
    Save 16%
  • HR5-WH Sprite Royale Handheld Shower Filter System - White

    HR5-WH Sprite Royale Shower Filter System: Handheld, White

    $42.99
    MSRP: $51.74
    Save 17%
  • MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  • 20743 Katadyn Replacement Ceramic Element

    20743 Katadyn Replacement Ceramic Element

    $72.39
    MSRP: $93.99
    Save 23%
  • MATRIKX-5-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • MATRIKX 32-450-10-GREEN / CTO2-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • MATRIKX-Pb1-HD10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  • TO8 OmniFilter Whole House Replacement Filter Cartridge
  • SFH5-CM Sprite ShowerFalls Filtered Shower Extension - Chrome - 1
  • BGE-3200 BevGuard Water Filter Cartridge

    BGE-3200 BevGuard Water Filter Cartridge

    $80.39
    MSRP: $102.99
    Save 22%
  • BGE-3200S BevGuard Water Filter Cartridge

    BGE-3200S BevGuard Water Filter Cartridge

    $89.69
    MSRP: $113.99
    Save 21%
  • BGE-4200S BevGuard Water Filter Cartridge

    BGE-4200S BevGuard Water Filter Cartridge

    $75.99
    MSRP: $94.99
    Save 20%

Items 1 to 48 of 77 total

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