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 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.

Items 1 to 48 of 53 total

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  • DuPont WFFS150XCH Chrome Counter Top Faucet System
  • HYDROTECH-92192

    HYDROTECH-92192

    $32.99
    MSRP: $35.64
    Save 7%
  • 3M Aqua-Pure APLPSF-PC Low Profile Shower Filter - Chrome
  • BRITA-35618

    BRITA-35618

    $30.05
    MSRP: $59.79
    Save 50%
  • 42622 Brita On-Tap FF-100 Faucet Filter System - Chrome
  • BRITA-CHR-FAUCET-FILTER-1PK

    BRITA-CHR-FAUCET-FILTER-1PK

    $24.99
    MSRP: $25.29
    Save 1%
  • BRITA-CHR-FAUCET-FILTER-2PK

    BRITA-CHR-FAUCET-FILTER-2PK

    $35.99
    MSRP: $41.39
    Save 13%
  • CULLIGAN-FCT-1

    CULLIGAN-FCT-1

    $24.99
    MSRP: $31.04
    Save 19%
  • CULLIGAN-ISH-200

    CULLIGAN-ISH-200

    $30.99
    MSRP: $32.19
    Save 4%
  • FILTRETE-FAUC-RP-01

    FILTRETE-FAUC-RP-01

    $24.99
    MSRP: $31.04
    Save 19%
  • PUR-FM-3700B-VERTICAL-FAUCET-CHR

    PUR-FM-3700B-VERTICAL-FAUCET-CHR

    $37.99
    MSRP: $40.24
    Save 6%
  • PUR-FM-9400B-HORIZONTAL-FAUCET-CHR

    PUR-FM-9400B-HORIZONTAL-FAUCET-CHR

    $38.99
    MSRP: $49.21
    Save 21%
  • RAINSHOWR-CQ-1000-DS

    RAINSHOWR-CQ-1000-DS

    $45.99
    MSRP: $55.19
    Save 17%
  • RAINSHOWR-RS-502-DS

    RAINSHOWR-RS-502-DS

    $37.05
    MSRP: $51.74
    Save 28%
  • SEYCHELLE-1-20006-WC

    SEYCHELLE-1-20006-WC

    $55.96
    MSRP: $67.79
    Save 17%
  • AR5-CM Sprite Royale Filtered Shower Head - Chrome
  • SPRITE-FXS-CM-S3

    SPRITE-FXS-CM-S3

    $64.05
    MSRP: $97.74
    Save 34%
  • SPRITE-HM8-CM

    SPRITE-HM8-CM

    $50.99
    MSRP: $58.64
    Save 13%
  • SPRITE-HR5-CM

    SPRITE-HR5-CM

  • SPRITE-SL-CM-M

    SPRITE-SL-CM-M

    $26.05
    MSRP: $37.94
    Save 31%
  • LF-EC25-CP Tier1 Contemporary Ceramic Faucet - Chrome

    LF-EC25-CP Tier1 Contemporary Ceramic Faucet - Chrome

    $28.05
    MSRP: $51.74
    Save 46%
  • LF-EC32-CP Tier1 Classic Ceramic Faucet - Chrome
  • F2-CHROME Instapure Essentials Faucet Filter System - Chrome
  • F5-CHROME Instapure Complete Faucet Filter System - Chrome

    F5-CHROME Instapure Complete Faucet Filter System - Chrome

    $21.99
    MSRP: $27.59
    Save 20%
  • F8-CHROME Instapure Ultra Faucet Filter System - Chrome

    F8-CHROME Instapure Ultra Faucet Filter System - Chrome

    $30.99
    MSRP: $33.34
    Save 7%
  • R8-1PK-CHROME Instapure Ultra Faucet Filter Replacement Cartridge - Chrome
  • 144839 Pentek Touch Flo Air Gap Drinking Water Faucet - Chrome
  • FM-5050C PUR Flavor Options Faucet Filter System - Chrome
  • SPRITE-SFH5-CM

    SPRITE-SFH5-CM

  • SPRITE-SL-CM

    SPRITE-SL-CM

    $26.05
    MSRP: $37.99
    Save 31%
  • CULLIGAN-FM-25

    CULLIGAN-FM-25

    $26.99
    MSRP: $29.99
    Save 10%
  • SPRITE-HF-CM

    SPRITE-HF-CM

    $22.05
  • CRYSTAL-QUEST-CQE-SP-00805

    CRYSTAL-QUEST-CQE-SP-00805

    $54.99
    MSRP: $65.54
    Save 16%
  • CRYSTAL-QUEST-CQE-SP-00807

    CRYSTAL-QUEST-CQE-SP-00807

    $69.99
    MSRP: $82.79
    Save 15%
  • CRYSTAL-QUEST-CQE-SP-00809

    CRYSTAL-QUEST-CQE-SP-00809

    $61.99
  • CRYSTAL-QUEST-CQE-FM-00501

    CRYSTAL-QUEST-CQE-FM-00501

    $24.99
    MSRP: $33.34
    Save 25%
  • CRYSTAL-QUEST-CQE-SP-00802

    CRYSTAL-QUEST-CQE-SP-00802

    $27.05
    MSRP: $58.99
    Save 54%
  • CULLIGAN-01018468

    CULLIGAN-01018468

  • Body Glove Countertop Water Filtration System (#BODY-GLOVE-WI-BG-COUNTERTOP)
  • SPRITE-HO2-CM

    SPRITE-HO2-CM

    $39.99
    MSRP: $48.29
    Save 17%
  • SPRITE-HO2-CM-M

    SPRITE-HO2-CM-M

    $49.99
    MSRP: $59.79
    Save 16%
  • SPRITE-AE7-CM

    SPRITE-AE7-CM

    $41.99
    MSRP: $50.59
    Save 17%
  • SPRITE-ACA5-CM

    SPRITE-ACA5-CM

    $49.99
    MSRP: $59.79
    Save 16%
  • SPRITE-AW1-CM

    SPRITE-AW1-CM

    $28.99
    MSRP: $36.79
    Save 21%
  • SPRITE-HE7-CM

    SPRITE-HE7-CM

    $48.99
    MSRP: $58.64
    Save 16%
  • SPRITE-HC5-CM

    SPRITE-HC5-CM

    $49.99
    MSRP: $59.79
    Save 16%
  • SPRITE-HH-CM

    SPRITE-HH-CM

    $35.99
    MSRP: $43.69
    Save 18%
  • SPRITE-BB-CM

    SPRITE-BB-CM

    $28.99
    MSRP: $36.79
    Save 21%

Items 1 to 48 of 53 total

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