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

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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 137 total

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  • 650627 Viqua PRO Solenoid Valve Kit

    650627 Viqua PRO Solenoid Valve Kit

    $315.99
    MSRP: $450.00
    Save 30%
  • HFPP-34-PR-20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)
  • 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

    $326.99
    MSRP: $467.99
    Save 30%
  • 650580 Viqua Professional UV Water Disinfection System Sensor

    650580 Viqua Professional UV Water Disinfection System Sensor

    $329.00
    MSRP: $430.00
    Save 23%
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (25-Pack)
  • 650717-001 Viqua E4/F4 Solenoid Valve Kit with Junction Box

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

    $337.39
    MSRP: $437.99
    Save 23%
  • Brondell H2O+ Circle Reverse Osmosis Water Filtration System

    Brondell H2O+ Circle Reverse Osmosis Water Filtration System

    $390.99
    MSRP: $542.99
    Save 28%
  • 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%
  • VIQUA-S5Q-PV

    S5Q-PV Viqua Specialty UltraViolet Water Disinfection System

    $399.99
    MSRP: $526.00
    Save 24%
  • 3M Aqua-Pure APDWS1000 Undersink Water Filter System

    APDWS1000 Undersink Water Filter System by 3M Aqua-Pure

    $406.99
    MSRP: $547.99
    Save 26%
  • VIQUA-S8Q-PA

    S8Q-PA Viqua Home UltraViolet Water Disinfection System

    $430.49
    MSRP: $530.99
    Save 19%
  • Viqua VT4-DWS11 Ultraviolet Filtration System

    Viqua VT4-DWS11 Ultraviolet Filtration System

    $448.49
    MSRP: $529.99
    Save 15%
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)
  • 650730-004 Viqua LightWise Upgrade Kit for Pro 10 Systems

    650730-004 Viqua LightWise Upgrade Kit for Pro 10 Systems

    $655.99
    MSRP: $1,027.99
    Save 36%
  • 650730-005 Viqua LightWise Upgrade Kit for the PRO 20

    650730-005 Viqua LightWise Upgrade Kit for Pro 20 Systems

    $655.99
    MSRP: $1,029.99
    Save 36%
  • 650730-006 Viqua LightWise Upgrade Kit for Pro 30 Systems

    650730-006 Viqua LightWise Upgrade Kit for Pro 30 Systems

    $655.99
    MSRP: $1,029.99
    Save 36%
  • Viqua VP600 Cobalt Series UltraViolet Disinfection System
  • VH410M Viqua Home Plus UltraViolet Water Disinfection System

    VH410M Viqua Home Plus UltraViolet Water Disinfection System

    $875.99
    MSRP: $1,125.00
    Save 22%
  • VIQUA-E4
  • Viqua VP950 UltraViolet Water Disinfection System

    Viqua VP950 UltraViolet Water Disinfection System (46 gpm)

    $965.99
    MSRP: $1,275.00
    Save 24%
  • VIQUA-E4-V
  • VIQUA-D4+

    650695-R D4+ Viqua Home Plus UltraViolet Water Disinfection System

    $1,065.99
    MSRP: $1,395.00
    Save 24%
  • VIQUA-IHS12-D4

    IHS12-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,076.39
    MSRP: $1,323.99
    Save 19%
  • VIQUA-IHS22-D4

    IHS22-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,125.99
    MSRP: $1,495.00
    Save 25%
  • IHS22-D4 Trojan UV Disinfection System
  • VIQUA-E4+
  • VIQUA-PRO30
  • 3M Aqua-Pure SS36 EPE-316L Whole House Stainless Steel Filter Housing
  • VIQUA-PRO50
  • 3M Aqua-Pure SS48 EPE-316L Whole House Stainless Steel Filter Housing
  • PL44-122NAC15 Pentek Bag Filter Housing - Carbon Steel
  • GP802AL2 Pentek Bag Filter Housing - Aluminum

    GP802AL2 Pentek Bag Filter Housing - Aluminum

    $1,034.99
    MSRP: $1,637.99
    Save 37%
  • MPST-1 Pentek Multi-Purpose Cartridge and Bag Filter Housing - Stainless Steel
  • 650652 Trojan UV Max UV System
  • 650653 Trojan UV Max UV System
  • 650388 Trojan UV Max UV Water Purification System
  • WI-BG6000FFC Body Glove Water Filter Cartridge

    WI-BG6000FFC Body Glove Water Filter Cartridge

    $313.19
    MSRP: $408.99
    Save 23%
  • RC540T50-T Tier1 Countertop Reverse Osmosis Filter System
  • Quad-MC2 Everpure Replacement Filter Cartridge Kit

    Quad-MC2 Everpure Replacement Filter Cartridge Kit

    $316.99
    MSRP: $501.99
    Save 37%
  • 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%
  • 650580 Trojan UV Max UV Water Purification System Sensor
  • BA-E36122 Sterilight UV Disinfection System Electronic Ballast
  • AK4040FF Desal Commercial Reverse Osmosis Membrane

    AK4040FF Desal Commercial Reverse Osmosis Membrane

    $329.99
    MSRP: $381.79
    Save 14%

Items 1 to 48 of 137 total

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