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 644 total

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  • 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter
  • 55898C Halsey-Taylor Drinking Fountain Filter Replacement Cartridge

    55898C Halsey-Taylor Water Filter Cartridge Replacement

    $91.69
    MSRP: $160.99
    Save 43%
  • 36005 Hydrologic SmallBoy De-Chlorinator and Sediment Filter System With Upgraded KDF
  • F-201R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)
  • F-601R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)
  • 8014931 Katadyn Vario Backcountry Series Microfilter Water Filter
  • Everpure H-54 Water Filter Replacement Cartridge (EV9730-06)
  • 31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    $153.99
    MSRP: $183.95
    Save 16%
  • Harmsco BC4-1-T-EP Electropolish Band Clamp Filter Housing
  • AF-20-2015-BB Tier1 Aries Comparable KDF and Carbon Water Filter
  • 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%
  • 40 X 2.5 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)
  • WFHD13001B DuPont Universal Heavy Duty Whole House Filtration System
  • WFCH2 DuPont Complete Home Water Filtration Kit

    WFCH2 DuPont Complete Home Water Filtration Kit

    $70.99
    MSRP: $98.77
    Save 28%
  • FRSS-2.5 Sterilight 2.5 GPM 1/2-inch Flow Restrictor
  • FRSS-3.5 Sterilight 3.5 GPM 1/2-inch Flow Restrictor
  • FRSS-6 Sterilight 6 GPM 1-inch Flow Restrictor
  • FRSS-6-34 Sterilight 6 GPM 3/4-inch Flow Restrictor
  • Sterilight 8 GPM 1-inch Flow Restrictor
  • FRSS-10 Sterilight 10 GPM 3/4-inch Flow Restrictor
  • IHS22-D4 Trojan UV Disinfection System
  • 3M Aqua-Pure SS36 EPE-316L Whole House Stainless Steel Filter Housing
  • 3M Aqua-Pure SS48 EPE-316L Whole House Stainless Steel Filter Housing
  • 22155 Triton Water Replacement Membrane by Hydrologic

    22155 Triton Water Replacement Membrane by Hydrologic

    $64.39
    MSRP: $87.99
    Save 27%
  • 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%
  • FRSS-10 Viqua 10 GPM 3/4-inch Flow Restrictor

    FRSS-10 Viqua 10 GPM 3/4-inch Flow Restrictor

    $64.99
    MSRP: $110.00
    Save 41%
  • FRSS-12 Viqua 12 GPM 1-inch Flow Restrictor

    FRSS-12 Viqua 12 GPM 1-inch Flow Restrictor

    $64.99
    MSRP: $110.00
    Save 41%
  • FRSS-15 Viqua 15 GPM 1-inch Flow Restrictor

    FRSS-15 Viqua 15 GPM 1-inch Flow Restrictor

    $62.99
    MSRP: $110.00
    Save 43%
  • FRSS-2.5 Viqua 2.5 GPM 1/2-inch Flow Restrictor

    FRSS-2.5 Viqua 2.5 GPM 1/2-inch Flow Restrictor

    $69.99
    MSRP: $90.00
    Save 22%
  • FRSS-20 Viqua 20 GPM 1-inch Flow Restrictor

    FRSS-20 Viqua 20 GPM 1-inch Flow Restrictor

    $62.99
    MSRP: $110.00
    Save 43%
  • FRSS-3.5 Viqua 3.5 GPM 1/2-inch Flow Restrictor

    FRSS-3.5 Viqua 3.5 GPM 1/2-inch Flow Restrictor

    $69.99
    MSRP: $90.00
    Save 22%
  • FRSS-6 Viqua 6 GPM 1-inch Flow Restrictor

    FRSS-6 Viqua 6 GPM 1-inch Flow Restrictor

    $62.99
    MSRP: $110.00
    Save 43%
  • FRSS-6-34 Viqua 6 GPM 3/4-inch Flow Restrictor

    FRSS-6-34 Viqua 6 GPM 3/4-inch Flow Restrictor

    $63.79
    MSRP: $96.99
    Save 34%
  • FRSS-8 Viqua 8 GPM 1-inch Flow Restrictor

    FRSS-8 Viqua 8 GPM 1-inch Flow Restrictor

    $62.99
    MSRP: $110.00
    Save 43%
  • S330RL Viqua Water Disinfection System UV Lamp

    S330RL Viqua Water Disinfection System UV Lamp

    $67.00
    MSRP: $89.99
    Save 26%
  • S463RL Viqua Water Disinfection System UV Lamp

    S463RL Viqua Water Disinfection System UV Lamp

    $69.00
    MSRP: $97.99
    Save 30%
  • S810RL Viqua Water Disinfection System UV Lamp

    S810RL Viqua Water Disinfection System UV Lamp

    $92.00
    MSRP: $122.99
    Save 25%
  • 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%

Items 1 to 48 of 644 total

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