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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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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.

Items 1 to 48 of 78 total

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  • 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 Retail Price:  $90.00
  • Viqua VT4-DWS11 Ultraviolet Filtration System

    Viqua VT4-DWS11 Ultraviolet Filtration System

    $448.49 Retail Price:  $529.99
  • EP-20BB Pentek Replacement Water Filter

    EP-20BB Pentek Replacement Filter Cartridge

    As Low As $40.50 Per Filter

  • EPM-20BB Pentek Whole House Filter Cartridge
  • GAC20-BB Pentek Whole House Water Filter
  • 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
  • CFS01S Cuno Whole House Filter Housing

    CFS01S Cuno Whole House Water Filter Housing

    $132.05 Retail Price:  $152.94
  • CFS02S Cuno Whole House Filter Housing

    CFS02S Cuno Whole House Water Filter Housing

    $184.49 Retail Price:  $214.46
  • CFS11S Cuno Whole House Filter Housing

    CFS11S Cuno Whole House Filter Housing

    $95.99 Retail Price:  $101.19
  • HF60-S Cuno Whole House Filter Replacement Cartridge

    HF60-S Cuno Whole House Filter Replacement Cartridge

    $138.99 Retail Price:  $160.99
  • HF65 Cuno Whole House Filter Replacement Cartridge

    HF65 Cuno Whole House Filter Replacement Cartridge

    $127.99 Retail Price:  $148.80
  • HF65-S Cuno Whole House Filter Replacement Cartridge

    HF65-S Cuno Whole House Filter Replacement Cartridge

    Regular Price: $133.99

    Special Price: $112.05

  • EV9324-02 Everpure Ice Machine Filter System

    EV9324-02 Everpure Ice Machine Filter System

    $376.99 Retail Price:  $450.79
  • EV9797-21 Everpure Commercial Filter System

    EV9797-21 Everpure Commercial Filter System

    $599.99 Retail Price:  $692.29
  • FXHTC GE SmartWater Whole House Filter Replacement Cartridge
  • GXSM01HWW GE Shower Filter System

    GXSM01HWW GE Shower Filter System

    $42.99 Retail Price:  $45.34
  • H9655-11 Hoshizaki Replacement Filter Cartridge

    H9655-11 Hoshizaki Replacement Water Filter Cartridge

    $72.99 Retail Price:  $89.69
  • MATRIKX-1-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • FLOPLUS-20BB Pentek Replacement Filter Cartridge

    FLOPLUS-20BB Pentek Replacement Filter Cartridge

    $61.99 Retail Price:  $80.49
  • 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

    FXS-CM-S3 Sprite ShowerUp Shower Filter System and Extension Arm

    Regular Price: $74.05

    Special Price: $64.05

  • HH-CT Sprite Original Handheld Shower Filter System - White / Chrome
  • HR5-CM Sprite Royale Handheld Shower Filter System - Chrome
  • HR5-WH Sprite Royale Handheld Shower Filter System - White
  • MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  • 20743 Katadyn Replacement Ceramic Element

    20743 Katadyn Replacement Ceramic Element

    $69.95 Retail Price:  $82.74
  • TO8 OmniFilter Whole House Replacement Filter Cartridge
  • CBC20-BB Pentek Replacement Filter Cartridge

    CBC20-BB Pentek Replacement Filter Cartridge

    $70.99 Retail Price:  $109.99
  • CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    $42.99 Retail Price:  $52.89
  • CRFC-BB Pentek Chloramine Reduction Water Filter

    CRFC-BB Pentek Chloramine Reduction Water Filter

    $61.79 Retail Price:  $73.36
  • SFH5-CM Sprite ShowerFalls Filtered Shower Extension - Chrome - 1
  • BGE-3200 BevGuard Water Filter Cartridge

    BGE-3200 BevGuard Water Filter Cartridge

    $75.99 Retail Price:  $96.00

Items 1 to 48 of 78 total

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