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!

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

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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 61 total

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  • WS01-WH Filtrete Water Station Filtered Water Bottle Filling Station
  • F8-WHITE Instapure Ultra Faucet Filter System - White

    F8 Instapure Ultra Faucet Filter System - White

    $28.99
    MSRP: $31.04
    Save 7%
  • WFFM350XBN DuPont Deluxe Faucet Mount Drinking Water Filter - Brushed Nickel
  • WFFMC303X DuPont Faucet Mount Replacement Cartridges - Ultra Protection Filter (3-pack)
  • K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    $29.99 MSRP: $49.99
    Save 40%
  • TS-500 Culligan Inline Water Filter Replacement by Tier1

    TS-500 Culligan Inline Water Filter Replacement by Tier1

    $29.99 MSRP: $49.99
    Save 40%
  • 35618 Brita Faucet Filter System - Chrome - 1

    Brita Chrome Faucet Filter System (#35618)

    $36.99
    MSRP: $59.79
    Save 38%
  • 42633 Brita On-Tap Faucet Filter System - Black / Chrome
  • 42647 Brita AquaView AVFR-200 Faucet Filter Replacement Cartridge
  • 42646 Brita AquaView AVFR-200 Faucet Filter Replacement Cartridge (2-Pack)
  • 42622 Brita On-Tap FF-100 Faucet Filter System - Chrome
  • 42617 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - Chrome
  • 42618 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - Chrome (2-Pack)
  • 42645 Brita AquaView AVFF-100 Faucet Filter System - White
  • 42201 Brita On-Tap FF-100 Faucet Filter System - White

    42201 Brita On-Tap FF-100 Faucet Filter System - White

    $32.99
    MSRP: $42.54
    Save 22%
  • 42401 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White
  • 42402 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White (2-Pack)
  • FM-15A Culligan Level 3 On-Tap Faucet Filter System

    Culligan FM-15A Level 3 Faucet Filter System

    $22.99
    MSRP: $28.51
    Save 19%
  • FM-5 Culligan Level 3 On-Tap Faucet Filter System
  • FM-5R Culligan Level 3 Faucet Filter Replacement Cartridge
  • WP01-WH-12 Filtrete Fast Flow Water Filter Pitcher
  • FQSVF GE SmartWater Undersink Filter Set (packaging)
  • 601 Moen MicroTech Faucet Filter Replacement Cartridge - 1

    601 Moen MicroTech Replacement Faucet Filter Cartridge

    $23.99
    MSRP: $29.89
    Save 20%
  • 1-10400-FC Seychelle Radiological Replacement Flip Top Filter

    1-10400-FC Seychelle Flip Top Radiological Water Filter

    $36.95
    MSRP: $44.79
    Save 18%
  • 1-11301-K-IS Seychelle Eliminator Inline Advanced Water Filtration System
  • 1-25301-B Seychelle Pure Water Pump, Advanced
  • 1-40100-W Seychelle Family Water Pitcher Regular Replacement Filter
  • 1-40101-W Seychelle Family Water Pitcher
  • 1-40400-W Seychelle Radiological Water Pitcher Filter Replacement

    1-40400-W Seychelle Radiological Water Pitcher Filter

    $65.19
    MSRP: $86.99
    Save 25%
  • 1-701-WB Seychelle Pure Water Bag, Advanced
  • FXMLC-2PK GE SmartWater Faucet Filter Replacement Cartridge (2-Pack)
  • F2-CHROME Instapure Essentials Faucet Filter System - Chrome
  • F5-CHROME Instapure Complete Faucet Filter System - Chrome

    F5-CHROME Instapure Complete Faucet Filter System - Chrome

    $23.49
    MSRP: $32.99
    Save 29%
  • F8-CHROME Instapure Ultra Faucet Filter System - Chrome

    F8-CHROME Instapure Ultra Faucet Filter System - Chrome

    $33.19
    MSRP: $45.99
    Save 28%
  • R5-2PK Instapure Complete Faucet Filter Replacement Cartridge (2-Pack)
  • R8-1PK-CHROME Instapure Ultra Faucet Filter Replacement Cartridge - Chrome
  • 8013629 Katadyn Camping Filter System
  • 8013628 Katadyn Guide Backcountry Series Microfilter Replacement Cartridge
  • 8014644 Katadyn Hiker and Hiker Pro Backcountry Series Microfilter Replacement Cartridge
  • FM-5050C PUR Flavor Options Faucet Filter System - Chrome
  • WHCF-R-PLUS Whirlpool Inline UltraEase Plus Water Filter
  • FM-25 Culligan Water Faucet Filter

    FM-25 Culligan Water Faucet Filter

    $26.99
    MSRP: $35.27
    Save 23%
  • WI-BG-BOTTLE-FILTER-20 Body Glove Water Bottle Replacement Filter
  • Body Glove Water Filter Pitcher (#WI-BG-PITCHER)

    Body Glove Water Filter Pitcher (#WI-BG-PITCHER)

    $57.99
    MSRP: $72.95
    Save 21%
  • WI-BG-PITCHER-FILTER Body Glove Replacement Water Pitcher Filter
  • WFFM350XCH DuPont Deluxe Faucet Mount Drinking Water Filter - Chrome
  • Seychelle 1-40401-W Radiological Family Pitcher

    Seychelle 1-40401-W Radiological Family Pitcher

    $79.96
    MSRP: $88.34
    Save 9%
  • 67015 Aquamira Filtered Water Bottle - 1

    Aquamira Filtered Water Bottle (#67015)

    $28.89
    MSRP: $39.99
    Save 28%

Items 1 to 48 of 61 total

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