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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

Clear All
Compare

Items 1 to 48 of 4620 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Ascending Direction
  • F5-WHITE Instapure Complete Faucet Filter System - White

    F5-WHITE Instapure Complete Faucet Filter System - White

    $18.19
    MSRP: $28.99
    Save 37%
  • F8-CHROME Instapure Ultra Faucet Filter System - Chrome

    F8-CHROME Instapure Ultra Faucet Filter System - Chrome

    $33.19
    MSRP: $45.99
    Save 28%
  • F5-CHROME Instapure Complete Faucet Filter System - Chrome

    F5-CHROME Instapure Complete Faucet Filter System - Chrome

    $23.49
    MSRP: $32.99
    Save 29%
  • F2-CHROME Instapure Essentials Faucet Filter System - Chrome
  • F2-WHITE Instapure Essentials Faucet Filter System - White

    F2-WHITE Instapure Essentials Faucet Filter System - White

    $13.89
    MSRP: $21.99
    Save 37%
  • F8-WHITE Instapure Ultra Faucet Filter System - White

    F8 Instapure Ultra Faucet Filter System - White

    $28.99
    MSRP: $31.04
    Save 7%
  • F8MHCH Instapure Faucet Filter Housing

    F8MHCH Instapure Faucet Filter System Housing

    $16.99
    MSRP: $21.84
    Save 22%
  • F8MHWH Instapure Faucet Filter System Housing Body - WHITE
  • R8-1PK-WHITE Instapure Ultra Faucet Filter Replacement Cartridge - White
  • R8-1PK-CHROME Instapure Ultra Faucet Filter Replacement Cartridge - Chrome
  • RPWF GE SmartWater Refrigerator Water Filter
  • RPWFE GE Refrigerator Water Filter
  • R7-1PK Instapure CompletePlus Faucet Filter Replacement Cartridge
  • EveryDrop Whirlpool Ice and Water Refrigerator Filter 8 (alternate)
  • R5-2PK Instapure Complete Faucet Filter Replacement Cartridge (2-Pack)
  • KWF1000 Miele Refrigerator Water Filter
  • Tier1 1500 Air Filter - 20x20x1 (6-Pack)

    20x20x1 Merv 11 Universal Air Filter By Tier1 (6-Pack)

    $52.99
    MSRP: $149.99
    Save 65%
  • AP327 3M Aqua-Pure Water Filter Replacement Cartridge

    AP327 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $37.49
    MSRP: $50.99
    Save 26%

    Out of stock

  • 4373529 Whirlpool Undersink Filter Replacement Cartridge
  • 4373574 Whirlpool Undersink Filter Kit
  • 4373575 Whirlpool Undersink Filter Kit

    4373575 Whirlpool Undersink Filter Kit

    $61.79
    MSRP: $97.99
    Save 37%
  • 8171414 (top-freezer, quarter-turn, inside-the-fridge) Whirlpool Refrigerator Water Filter
  • 8212652 Maytag PuriClean IV Refrigerator Water Filter
  • 12488101 Amana Refrigerator Air Filter
  • 2186494B Whirlpool Refrigerator Water Filter Cap - Black

    2186494B Whirlpool Refrigerator Water Filter Cap - Black

    $13.99
    MSRP: $17.24
    Save 19%
  • 2186494W Whirlpool Refrigerator Water Filter Cap - White

    2186494W Whirlpool Refrigerator Water Filter Cap - White

    $12.99
    MSRP: $17.24
    Save 25%
  • 2260518B Whirlpool PUR Refrigerator Water Filter Cap - Black
  • 2260518W Whirlpool PUR Refrigerator Water Filter Cap - White
  • 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter
  • AFCB Frigidaire Refrigerator Air Filter

    AFCB Frigidaire Refrigerator Air Filter

    $11.99
    MSRP: $13.79
    Save 13%
  • 12490801 Amana Refrigerator Icemaker Water Valve
  • 265062 American Hydro Systems Inline Filter for Siphoning Feeder Systems

    265062 American Hydro Systems Siphoning Feeder Filter

    $34.21
    MSRP: $41.64
    Save 18%
  • 265070 American Hydro Systems Inside Parts Replacement Kit for Siphoning Feeder System
  • 265071 American Hydro Systems Outside Parts Replacement Kit for Siphoning Feeder System
  • 265072 American Hydro Systems The Works Parts Replacement Kit for Siphoning Feeder System
  • 265075 American Hydro Systems PumpHaus Pump Cover
  • 2650-Kit American Hydro Systems Replacement Kit for Siphoning Feeder System
  • 2655 American Hydro Systems GrassSoGreen Fertilizer

    American Hydro Systems GrassSoGreen Lawn Fertilizer (#2655)

    $22.99
    MSRP: $28.74
    Save 20%
  • 2665 American Hydro Systems Rid O' Rust Formula 1000 Rust Stain Preventer

Items 1 to 48 of 4620 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Ascending Direction
Scroll To Top