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

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Water Filtration Systems, Filters, & Parts

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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  • 602855 Viqua Water Disinfection System UV Lamp

    602855 Viqua Water Disinfection System UV Lamp

    $209.00
    MSRP: $268.99
    Save 22%
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  • HFPP-1-PR20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)
  • 602856 Viqua Water Disinfection System UV Lamp

    602856 Viqua Water Disinfection System UV Lamp

    $255.00
    MSRP: $313.99
    Save 19%
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)
  • 650703 Viqua Home UV Water Disinfection System Sensor

    650703 Viqua Home UV Water Disinfection System Sensor

    $265.00
    MSRP: $340.00
    Save 22%
  • BA-ICE-S Viqua UV Disinfection System Controller

    BA-ICE-C Viqua UV Disinfection System Controller

    $289.00
    MSRP: $379.00
    Save 24%
  • 650713-007 Viqua UV Disinfection System Controller
  • UV100E1043 Honeywell Air Treatment System

    UV100E1043 Honeywell Air Treatment System

    $313.99
    MSRP: $403.99
    Save 22%
  • 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)
  • 650580 Viqua Professional UV Water Disinfection System Sensor

    650580 Viqua Professional UV Water Disinfection System Sensor

    $329.00
    MSRP: $430.00
    Save 23%
  • Viqua VT4-DWS11 Ultraviolet Filtration System

    Viqua VT4-DWS11 Ultraviolet Filtration System

    $335.00
    MSRP: $529.99
    Save 37%
  • 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%
  • 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

    $395.00
    MSRP: $526.00
    Save 25%
  • VIQUA-S8Q-PA

    S8Q-PA Viqua Home UltraViolet Water Disinfection System

    $429.00
    MSRP: $530.99
    Save 19%
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)
  • WS-165-150 Series 165 Water Softener by Tier 1

    48,000 Grain Capacity Series 165 Water Softener by Tier1

    $495.00
    MSRP: $649.99
    Save 24%
  • 650730-004 Viqua LightWise Upgrade Kit for Pro 10 Systems
  • 650730-005 Viqua LightWise Upgrade Kit for the PRO 20
  • 650730-006 Viqua LightWise Upgrade Kit for Pro 30 Systems
  • Viqua VP600 Cobalt Series UltraViolet Disinfection System
  • VH410M Viqua Home Plus UltraViolet Water Disinfection System

    VH410M Viqua Home Plus UltraViolet Water Disinfection System

    $839.00
    MSRP: $1,125.00
    Save 25%
  • VIQUA-E4
  • VIQUA-E4-V
  • Viqua VP950 UltraViolet Water Disinfection System

    Viqua VP950 UltraViolet Water Disinfection System (46 gpm)

    $969.00
    MSRP: $1,275.00
    Save 24%
  • Harmsco BC4-1-T-EP Electropolish Band Clamp Filter Housing
  • VIQUA-D4+
  • VIQUA-IHS12-D4

    IHS12-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,029.00
    MSRP: $1,323.99
    Save 22%
  • VIQUA-IHS22-D4

    IHS22-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,099.00
    MSRP: $1,495.00
    Save 26%
  • IHS22-D4 Trojan UV Disinfection System
  • VIQUA-PRO30
  • 3M Aqua-Pure SS24 EPE-316L Whole House Stainless Steel Filter Housing
  • 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
  • 602855 Trojan UV Max UV Lamp
  • 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
  • XLE-2540 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane

Items 1 to 48 of 212 total

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