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

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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.

31 Item(s)

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  • 650627 Viqua PRO Solenoid Valve Kit

    650627 Viqua PRO Solenoid Valve Kit

    $315.99
    MSRP: $450.00
    Save 30%
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)
  • 650713-007 Viqua UV Disinfection System Controller

    650713-007 Viqua UV Disinfection System Controller

    $338.09
    MSRP: $467.99
    Save 28%
  • 650717-001 Viqua E4/F4 Solenoid Valve Kit with Junction Box

    650717-001 Viqua E4/F4 Solenoid Valve Kit with Junction Box

    $348.79
    MSRP: $437.99
    Save 20%
  • 650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    $393.99
    MSRP: $565.00
    Save 30%
  • Brondell H2O+ Circle Reverse Osmosis Water Filtration System

    Brondell H2O+ Circle Reverse Osmosis Water Filtration System

    $395.89
    MSRP: $542.99
    Save 27%
  • VIQUA-S5Q-PV

    S5Q-PV Viqua Specialty UltraViolet Water Disinfection System

    $399.99
    MSRP: $526.00
    Save 24%
  • 254NM-FP2 Sterilight Flow Pace UV Sensor
  • BA-E36122 Sterilight UV Disinfection System Electronic Ballast

    BA-E36122 Sterilight UV Disinfection System Electronic Ballast

    $303.00
    MSRP: $351.89
    Save 14%
  • 650580 Trojan UV Max UV Water Purification System Sensor
  • 650388 Trojan UV Max UV Water Purification System
  • RC540T50-T Tier1 Countertop Reverse Osmosis Filter System
  • 2110070 Katadyn Camping Filter System

    2110070 Katadyn Camping Filter System

    $317.95
    MSRP: $367.94
    Save 14%
  • AG4040FF Desal Commercial Reverse Osmosis Membrane

    AG4040FF Desal Reverse Osmosis Membrane

    $319.99
    MSRP: $370.29
    Save 14%
  • Quad-MC2 Everpure Replacement Filter Cartridge Kit

    Quad-MC2 Everpure Replacement Filter Cartridge Kit

    $320.99
    MSRP: $501.99
    Save 36%
  • WI-BG6000FFC Body Glove Water Filter Cartridge

    WI-BG6000FFC Body Glove Water Filter Cartridge

    $325.29
    MSRP: $408.99
    Save 20%
  • AK4040FF Desal Commercial Reverse Osmosis Membrane

    AK4040FF Desal Commercial Reverse Osmosis Membrane

    $329.99
    MSRP: $381.79
    Save 14%
  • UV-110-1 Pentek UV System
  • BG-1000 Body Glove Water Filtration System

    BG-1000 Body Glove Water Filtration System

    $343.99
    MSRP: $426.95
    Save 19%
  • S5Q-PA UV Sterilight Water Sterilizer System
  • SST2HB 3M Aqua-Pure Whole House Filter System

    SST2HB 3M Aqua-Pure Whole House Water Filtration System

    $350.99
    MSRP: $415.12
    Save 15%
  • 66-4311 Water Factory Systems Reverse Osmosis Membrane

    66-4311 Water Factory Systems Reverse Osmosis Membrane

    $363.79
    MSRP: $693.99
    Save 48%
  • 66-1311 Water Factory Systems Reverse Osmosis Membrane

    66-1311 Water Factory Systems Reverse Osmosis Membrane

    $365.99
    MSRP: $488.74
    Save 25%
  • 8013618 Katadyn Camping Filter System

    8013618 Katadyn Camping Filter System

    $369.95
    MSRP: $427.74
    Save 14%
  • EV9324-02 Everpure Ice Machine Filter System

    EV9324-02 Everpure Ice Machine Filter System

    $376.99
    MSRP: $450.79
    Save 16%
  • SQC-3 Water Factory Systems Reverse Osmosis Filter System

    SQC-3 Water Factory Systems Reverse Osmosis Filter System

    $389.99
    MSRP: $450.79
    Save 13%
  • BG-3000 Body Glove Water Filtration System

    BG-3000 Body Glove Water Filtration System

    $392.96
    MSRP: $516.95
    Save 24%
  • SQC-4 Water Factory Systems Reverse Osmosis Filter System

    SQC-4 Water Factory Systems Reverse Osmosis Filter System

    $399.05
    MSRP: $480.69
    Save 17%
  • PXCR33KSS GE Water Cooler
  • S5Q-PV Sterilight Silver Series UV Disinfection System
  • LSJC10 Lifesaver 10000UF Jerrycan

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