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 145 to 192 of 2181 total

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  • 602636 Viqua Replacement Power Cord

    602636 Viqua Replacement Power Cord

    $18.99
    MSRP: $21.34
    Save 11%
  • 602665 Viqua UltraViolet Lamp Sleeve Bolt

    602665 Viqua UltraViolet Lamp Sleeve Bolt

    $7.49
    MSRP: $13.99
    Save 46%
  • 602732 Viqua Quartz Sleeve for 602805 UV Lamp

    602732 Viqua Quartz Sleeve for 602805 UV Lamp

    $38.99
    MSRP: $49.99
    Save 22%
  • 602733 Viqua Quartz Sleeve for 602806 UV Lamp

    602733 Viqua Quartz Sleeve for 602806 UV Lamp

    $48.99
    MSRP: $64.00
    Save 23%
  • 602734 Viqua Quartz Sleeve for 602807 UV Lamp

    602734 Viqua Quartz Sleeve for 602807 UV Lamp

    $62.09
    MSRP: $76.99
    Save 19%
  • 602805 Viqua Water Disinfection System UV Lamp

    602805 Viqua Water Disinfection System UV Lamp

    $106.99
    MSRP: $127.99
    Save 16%
  • 602806 Viqua Water Disinfection System UV Lamp

    602806 Viqua Water Disinfection System UV Lamp

    $117.69
    MSRP: $141.99
    Save 17%
  • 602807 Viqua Water Disinfection System UV Lamp

    602807 Viqua Water Disinfection System UV Lamp

    $128.39
    MSRP: $154.99
    Save 17%
  • Viqua 602810-102 Lamp and Sleeve Kit for D Model Systems

    Viqua 602810-102 Lamp and Sleeve Kit for D Model Systems

    $128.39
    MSRP: $154.99
    Save 17%
  • 602854 Viqua Water Disinfection System UV Lamp

    602854 Viqua Water Disinfection System UV Lamp

    $188.29
    MSRP: $224.99
    Save 16%
  • 602855 Viqua Water Disinfection System UV Lamp

    602855 Viqua Water Disinfection System UV Lamp

    $224.69
    MSRP: $268.99
    Save 16%
  • 602856 Viqua Water Disinfection System UV Lamp

    602856 Viqua Water Disinfection System UV Lamp

    $263.19
    MSRP: $313.99
    Save 16%
  • 602896 Viqua Pro Lamp Cord Retainer Wire Form

    602896 Viqua Pro Lamp Cord Retainer Wire Form

    $15.99
    MSRP: $18.34
    Save 13%
  • 602916 Viqua Top Sleeve Bolt

    602916 Viqua Top Sleeve Bolt

    $25.99
    MSRP: $28.34
    Save 8%
  • 602974 Viqua Quartz Sleeve for 602854 UV Lamp

    602974 Viqua Quartz Sleeve for 602854 UV Lamp

    $54.59
    MSRP: $66.99
    Save 19%
  • 602975 Viqua Quartz Sleeve for 602855 UV Lamp

    602975 Viqua Quartz Sleeve for 602855 UV Lamp

    $62.09
    MSRP: $79.99
    Save 22%
  • 602976 Viqua Quartz Sleeve for 602856 UV Lamp

    602976 Viqua Quartz Sleeve for 602856 UV Lamp

    $63.99
    MSRP: $86.00
    Save 26%
  • 603000 Viqua Safety Cap

    603000 Viqua Safety Cap

    $18.99
    MSRP: $21.34
    Save 11%
  • 603053 Viqua Bottom Sleeve Bolt

    603053 Viqua Bottom Sleeve Bolt

    $30.99
    MSRP: $33.34
    Save 7%
  • 650538 CoolTouch Temperature Management Valve

    650538 Viqua CoolTouch Temperature Management Valve

    $130.99
    MSRP: $175.00
    Save 25%
  • 650580 Viqua Professional UV Water Disinfection System Sensor

    650580 Viqua Professional UV Water Disinfection System Sensor

    $293.99
    MSRP: $430.00
    Save 32%
  • 650627 Viqua PRO Solenoid Valve Kit

    650627 Viqua PRO Solenoid Valve Kit

    $315.99
    MSRP: $450.00
    Save 30%
  • 650703 Viqua Home UV Water Disinfection System Sensor

    650703 Viqua Home UV Water Disinfection System Sensor

    $241.99
    MSRP: $340.00
    Save 29%
  • 650713-007 Viqua UV Disinfection System Controller

    650713-007 Viqua UV Disinfection System Controller

    $338.09
    MSRP: $467.99
    Save 28%
  • 650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    $393.99
    MSRP: $565.00
    Save 30%
  • 650717-001 Viqua E4/F4 Solenoid Valve Kit with Junction Box

    650717-001 Viqua E4/F4 Solenoid Valve Kit with Junction Box

    $348.79
    MSRP: $437.99
    Save 20%
  • VIQUA-E4
  • VIQUA-S5Q-PV

    S5Q-PV Viqua Specialty UltraViolet Water Disinfection System

    $399.99
    MSRP: $526.00
    Save 24%
  • VIQUA-S8Q-PA

    S8Q-PA Viqua Home UltraViolet Water Disinfection System

    $445.09
    MSRP: $530.99
    Save 16%
  • VIQUA-E4-V
  • 1833-0001 WaterBrick 3.5 Gallon Stackable Water and Food Storage
  • 1833-0003 WaterBrick 3.5 Gallon Stackable Water and Food Storage
  • 1833-0005 WaterBrick 1.6 Gallon Stackable Water and Food Storage
  • 1833-0006 WaterBrick 1.6 Gallon Stackable Water and Food Storage
  • WB-0001 WaterBrick Ventless Spigot Assembly

    WB-0001 WaterBrick Ventless Spigot Assembly

    $17.99
    MSRP: $22.99
    Save 22%
  • DUPONT-WFQTC90001
  • DuPont WFRO60X Quick Twist Reverse Osmosis System
  • DuPont WFROM1000X Quick Twist Reverse Osmosis Membrane
  • DuPont WFQTR130004 Quick Twist Refrigerator/Icemaker Filter System
  • DuPont WFPT200X Mirage Filtered Water Pitcher
  • DuPont WFPTC050X Water Pitcher Replacement Cartridge
  • DuPont WFPTC053X Water Pitcher Replacement Cartridge 3 Pack
  • DuPont WFPTC100X Water Pitcher Replacement Cartridge High Protection
  • DuPont WFFS150XCH Chrome Counter Top Faucet System
  • 35430 Brita Grand Pitcher Orange

    35430 Brita Grand Pitcher Orange

    $41.99
    MSRP: $45.99
    Save 9%
  • OB1-S-S06 OmniFilter Undersink Water Filter System
  • EV9693-01 Everpure Chloramine Reduction Water Filter Replacement
  • AF-10-1053 Aries Specialty Cartridge Hydrogen Sulfide Removal

Items 145 to 192 of 2181 total

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