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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 52 total

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  • RO5 Tier1 5-Stage Reverse Osmosis System

    RO5 Tier1 5-Stage Reverse Osmosis System

    $190.59 Retail Price:  $249.99
  • C2-02 Advanced Water Products 20-inch x 4.5-inch Replacement Carbon Whole House Filter
  • C2-02 Viqua Carbon Whole House Filter

    C2-02 Viqua Carbon Whole House Filter

    $54.99 Retail Price:  $89.00
  • P5-10BB Tier1 Sediment Water Filter (4-pack)
  • Pentair HEPP10-40DB Pureflex High Efficiency

    Pentair HEPP10-40DB Pureflex High Efficiency

    $93.99 Retail Price:  $113.99
  • Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    $107.99 Retail Price:  $130.99
  • Pentair NEPP12-40DB Pureflex Pleated Polypropylene Cartridge
  • Pentair NEPP12-20DB Pureflex Pleated Polypropylene Cartridge
  • Pentair NEPP2-40DB Pureflex Pleated Polypropylene Cartridge
  • Pentair NEPP2-20DB Pureflex Pleated Polypropylene Cartridge
  • Pentair GF20-40BPPPDB Industrial Triflex Microfiberglass Cartridge
  • Pentair GF20-30BPPPDB Industrial Triflex Microfiberglass Cartridge
  • SPC-45-2050 Hydronix 20 x 4.5 inch Pleated Sediment Water Filter 6pk
  • SWC-45-1001 Hydronix String-Wound Sediment Water Filter (20-Pack)
  • Pentek 166142 Big White 20-inch x 4.5-inch Filter Housing
  • 42645 Brita AquaView AVFF-100 Faucet Filter System - White
  • GXULQ GE Undersink Filter System

    GXULQ GE Undersink Filter System

    $55.99 Retail Price:  $70.14
  • CQ-1000-MS Rainshowr Shower Filter System with Pro Massage - White
  • RS-502-MS Rainshowr Shower Filter System with Massage - White
  • HR5-WH Sprite Royale Handheld Shower Filter System - White
  • 166227 Pentek Big White 3/4-inch #20 Housing Assembly
  • BGE-4200 BevGuard Water Filter Replacement Cartridge

    BGE-4200 BevGuard Water Filter Replacement Cartridge

    $59.99 Retail Price:  $81.00
  • 1-100STSS-F Rusco Stainless Steel Sediment Trapper System

    1-100STSS-F Rusco Stainless Steel Sediment Trapper System

    $88.99 Retail Price:  $104.64
  • 1-140STSS-F Rusco Sediment Trapper System

    1-140STSS-F Rusco Sediment Trapper System

    $90.99 Retail Price:  $106.94
  • 100STSS-F Rusco Sediment Trapper System

    34-100STSS-F Rusco Sediment Trapper System

    $87.99 Retail Price:  $103.49
  • 1-30SS-F Rusco Spin-Down Water Filtration System

    1-30SS-F Rusco Spin-Down Water Filtration System

    $64.99 Retail Price:  $77.04
  • WHEERM Whirlpool UltraEase Reverse Osmosis Membrane
  • 22043 KDF Hydrologic Carbon Pre-Filter For Evolution-RO1000
  • TFM-36-EB Desal Reverse Osmosis Membrane

    TFM-36-EB Desal Reverse Osmosis Membrane

    $52.99 Retail Price:  $79.34
  • TFM-18-EB Desal Reverse Osmosis Membrane

    TFM-18-EB Desal Reverse Osmosis Membrane

    $59.99 Retail Price:  $71.29
  • TQ56-15FC PuROTwist Reverse Osmosis Membrane

    TQ56-15FC PuROTwist Reverse Osmosis Membrane

    $64.99 Retail Price:  $75.89
  • WHEEDF Whirlpool UltraEase Water Filter Pack

    WHEEDF Whirlpool UltraEase Water Filter Pack

    $47.99 Retail Price:  $59.79
  • W9330059 Doulton Undersink Water Filtration System

    W9330059 Doulton HIP Undersink Water Filtration System

    $110.99 Retail Price:  $131.09
  • US-UF3 Culligan Ultrafiltration Drinking Water System
  • US-UF3R Culligan Ultrafiltration Replacement Water Filter Cartridge Set
  • H2O+ Brondell Cypress Countertop Water Filtration System (#H630)
  • 3M AquaPure 3MFF101 Whole House Water Filter Cartridge

    3MFF101 3M Aqua-Pure Replacement Water Filter Cartridge

    $200.99 Retail Price:  $209.29
  • CQE-CT-00132 Crystal Quest Countertop Fluoride Water Filter: Double Fluoride PLUS
  • CQE-RC-04006 Crystal Quest Fluoride Water Filter

    CQE-RC-04006 Crystal Quest Fluoride Water Filter

    $47.99 Retail Price:  $63.24
  • CQE-RC-04036 Crystal Quest Carbon Block Water Filter Cartridge
  • FM-BB-20-1A Watts Pleated Water Filter Cartridge

    FM-BB-20-1A Watts Pleated Water Filter Cartridge

    $48.99 Retail Price:  $75.84
  • CQE-SP-00804 Crystal Quest Luxury Handheld Shower Filter System

Items 1 to 48 of 52 total

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