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.

Clear All
Compare

Items 1 to 48 of 143 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
  • 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter
  • W9222900 Doulton Ceramic Water Filter
  • F-201R 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)
  • WFDW120009W DuPont Universal Drinking Water Filter System
  • WSQC-2 WaterSentinel Reverse Osmosis Carbon GAC Filter Cartridge
  • 22120 Hydrologic Stealth RO 100GPD Membrane

    22120 Hydrologic Stealth RO 100GPD Membrane

    $59.99
    MSRP: $64.99
    Save 8%
  • P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    $176.99
    MSRP: $237.99
    Save 26%

    Out of stock

  • 3M Aqua-Pure AP117RO Reverse Osmosis Filter (2 Pack)
  • W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge
  • 600R American Plumber Undersink Filter Replacement Cartridge

    600R American Plumber Undersink Water Filter Cartridge

    $31.99
    MSRP: $35.06
    Save 9%
  • DW-2000-RB American Plumber Replacement Filter Cartridge

    DW-2000-RB American Plumber Replacement Filter Cartridge

    $59.99
    MSRP: $61.28
    Save 2%
  • WIC-600 American Plumber Undersink Filter System

    WIC-600 American Plumber Undersink Filter System

    $55.99
    MSRP: $58.34
    Save 4%
  • 110720 Amway eSpring UV Water Purification System
  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $31.99
    MSRP: $34.49
    Save 7%
  • 3M Aqua-Pure AP-C77 Undersink Filter Replacement Cartridge
  • 3M Aqua-Pure AP-C78 Water Filter Replacement Cartridge
  • 3M Aqua-Pure APIL3R Inline Water Filter
  • C-CS-S 3M Aqua-Pure Undersink Water Filter
  • C-LC 3M Aqua-Pure Undersink Water Filter

    C-LC 3M Aqua-Pure Undersink Water Filter Cartridge

    $50.99
    MSRP: $65.54
    Save 22%
  • WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    $290.21
    MSRP: $386.95
    Save 25%

    Out of stock

  • Body Glove WI-BG3000C Replacement Filter Cartridge

    WI-BG3000C Body Glove Replacement Filter Cartridge

    $158.96
    MSRP: $192.95
    Save 18%
  • WI-BG3000R Body Glove Replacement Filter Cartridge

    WI-BG3000R Body Glove Replacement Filter Cartridge

    $145.46
    MSRP: $174.95
    Save 17%

    Out of stock

  • CB3 OmniFilter Undersink Filter Replacement Cartridge
  • CQE-WC-00906 Crystal Quest Water Cooler

    CQE-WC-00906 Crystal Quest Water Cooler

    $599.99
    MSRP: $692.29
    Save 13%

    Out of stock

  • CQE-WC-00907 Crystal Quest Water Cooler

    CQE-WC-00907 Crystal Quest Water Cooler

    $702.99
    MSRP: $810.74
    Save 13%

    Out of stock

  • CQE-WC-00909 Crystal Quest Water Cooler

    CQE-WC-00909 Crystal Quest Water Cooler

    $596.99
    MSRP: $688.84
    Save 13%

    Out of stock

  • CQP-WC-05900 Crystal Quest Water Cooler

    CQP-WC-05900 Crystal Quest Water Cooler

    $792.99
    MSRP: $910.79
    Save 13%

    Out of stock

  • D-40 Culligan Level 4 Undersink Water Filter Replacement Cartridge
  • IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System

    IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System

    $35.29
    MSRP: $53.99
    Save 35%
  • IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System

    IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System

    $56.99
    MSRP: $71.29
    Save 20%

    Out of stock

  • RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge
  • RV-EZ-1 Culligan Level 1 Easy-Change RV Inline Filter System
  • RV-EZ-3 Culligan Level 3 Easy-Change RV Inline Filter System
  • TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
  • US-EZ-1 Culligan Level 1 Easy-Change Undersink Filter System
  • US-EZ-3 Culligan Level 3 Easy-Change Undersink Filter System

    US-EZ-3 Culligan Level 3 Easy-Change Undersink Filter System

    $71.09
    MSRP: $97.99
    Save 27%

    Out of stock

  • US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System

    US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System

    $80.39
    MSRP: $110.99
    Save 28%

    Out of stock

  • HC111-S Cuno Replacement Filter Cartridge

    HC111-S Cuno Replacement Filter Cartridge

    $37.99
    MSRP: $54.99
    Save 31%
  • SWC1350 Cuno Whole House Filter Replacement Cartridge

    SWC1350 Cuno Whole House Water Filter Cartridge

    $67.99
    MSRP: $81.64
    Save 17%

    Out of stock

  • W9122190 Doulton SuperCarb SI Ceramic Water Filter

    W9122190 Doulton SuperCarb SI Ceramic Water Filter

    $41.00
    MSRP: $60.21
    Save 32%
  • W9223026 Doulton Replacement Ceramic Filter
  • W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • W9331032 Doulton HCP UltraCarb Countertop Filter System

    W9331032 Doulton HCP UltraCarb Countertop Filter System

    $121.00
    MSRP: $175.99
    Save 31%
  • 7DM Everpure Replacement Filter Cartridge

    7DM Everpure Replacement Filter Cartridge

    $93.99
    MSRP: $128.79
    Save 27%

    Out of stock

  • 7-NE Everpure pH Neutralizing Replacement Filter Cartridge

    7-NE Everpure pH Neutralizing Replacement Filter Cartridge

    $79.99
    MSRP: $94.29
    Save 15%

    Out of stock

  • BH-2 Everpure Replacement Filter Cartridge

    BH-2 Everpure Replacement Filter Cartridge

    $59.99
    MSRP: $89.99
    Save 33%

Items 1 to 48 of 143 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
Scroll To Top