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 376 total

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  • 36005 Hydrologic SmallBoy De-Chlorinator and Sediment Filter System With Upgraded KDF
  • F-601R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)
  • 31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    $153.99
    MSRP: $183.95
    Save 16%
  • AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    $126.05
    MSRP: $171.99
    Save 27%
  • IHS22-D4 Trojan UV Disinfection System
  • 3M Aqua-Pure SS12 EPE-316L Whole House Stainless Steel Filter Housing
  • 3M Aqua-Pure SS48 EPE-316L Whole House Stainless Steel Filter Housing
  • Viqua VP600 Cobalt Series UltraViolet Disinfection System
  • VH410M Viqua Home Plus UltraViolet Water Disinfection System

    VH410M Viqua Home Plus UltraViolet Water Disinfection System

    $845.00
    MSRP: $1,125.00
    Save 25%
  • Viqua VP950 UltraViolet Water Disinfection System

    Viqua VP950 UltraViolet Water Disinfection System (46 gpm)

    $959.00
    MSRP: $1,275.00
    Save 25%
  • BA-ICE-S Viqua UV Disinfection System Controller

    BA-ICE-C Viqua UV Disinfection System Controller

    $289.00
    MSRP: $379.00
    Save 24%
  • BA-ICE-S Viqua UV Disinfection System Controller

    BA-ICE-S Viqua UV Disinfection System Controller

    $145.00
    MSRP: $172.99
    Save 16%
  • BA-ICE-V Viqua UV Disinfection System Controller

    BA-ICE-V Viqua UV Disinfection System Controller

    $175.00
    MSRP: $225.00
    Save 22%
  • 602805 Viqua Water Disinfection System UV Lamp

    602805 Viqua Water Disinfection System UV Lamp

    $105.00
    MSRP: $127.99
    Save 18%
  • 602806 Viqua Water Disinfection System UV Lamp

    602806 Viqua Water Disinfection System UV Lamp

    $112.00
    MSRP: $141.99
    Save 21%
  • 602807 Viqua Water Disinfection System UV Lamp

    602807 Viqua Water Disinfection System UV Lamp

    $119.00
    MSRP: $154.99
    Save 23%
  • Viqua 602810-102 Lamp and Sleeve Kit for D Model Systems

    Viqua 602810-102 Lamp and Sleeve Kit for D Model Systems

    $119.00
    MSRP: $154.99
    Save 23%
  • 602854 Viqua Water Disinfection System UV Lamp

    602854 Viqua Water Disinfection System UV Lamp

    $185.00
    MSRP: $224.99
    Save 18%
  • 602855 Viqua Water Disinfection System UV Lamp

    602855 Viqua Water Disinfection System UV Lamp

    $215.00
    MSRP: $268.99
    Save 20%
  • 602856 Viqua Water Disinfection System UV Lamp

    602856 Viqua Water Disinfection System UV Lamp

    $255.00
    MSRP: $313.99
    Save 19%
  • 650538 CoolTouch Temperature Management Valve

    650538 Viqua CoolTouch Temperature Management Valve

    $130.99
    MSRP: $175.00
    Save 25%
  • 650580 Viqua Professional UV Water Disinfection System Sensor

    650580 Viqua Professional UV Water Disinfection System Sensor

    $329.00
    MSRP: $430.00
    Save 23%
  • 650627 Viqua PRO Solenoid Valve Kit

    650627 Viqua PRO Solenoid Valve Kit

    $315.99
    MSRP: $450.00
    Save 30%
  • 650703 Viqua Home UV Water Disinfection System Sensor

    650703 Viqua Home UV Water Disinfection System Sensor

    $265.00
    MSRP: $340.00
    Save 22%
  • 650713-007 Viqua UV Disinfection System Controller

    650713-007 Viqua UV Disinfection System Controller

    $299.00
    MSRP: $467.99
    Save 36%
  • 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%
  • 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%
  • VIQUA-D4+
  • VIQUA-E4
  • VIQUA-E4+
  • VIQUA-PRO30
  • 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

    $425.00
    MSRP: $530.99
    Save 20%
  • VIQUA-PRO50
  • VIQUA-E4-V
  • VIQUA-IHS12-D4

    IHS12-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,039.00
    MSRP: $1,323.99
    Save 22%
  • VIQUA-IHS22-D4

    IHS22-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,125.00
    MSRP: $1,495.00
    Save 25%
  • UV100A1059 Honeywell UV Surface Treatment System

    UV100A1059 Honeywell UV Surface Treatment System

    $183.19
    MSRP: $224.99
    Save 19%
  • Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    $107.99
    MSRP: $130.99
    Save 18%
  • P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    $176.99
    MSRP: $237.99
    Save 26%
  • Everpure EV9000-91 Antique Brass Drinking Faucet Head

    Everpure EV9000-91 Antique Brass Drinking Faucet Head

    $127.49
    MSRP: $153.99
    Save 17%
  • Viqua VT4-DWS11 Ultraviolet Filtration System

    Viqua VT4-DWS11 Ultraviolet Filtration System

    $335.00
    MSRP: $529.99
    Save 37%
  • HFPP-34-PR-20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)
  • HFPP-1-PR20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)

Items 1 to 48 of 376 total

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