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

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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 55 total

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  • CRYSTAL-QUEST-CQE-RC-04007

    CRYSTAL-QUEST-CQE-RC-04007

    $57.00
  • CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System

    CQE-CO-02025 Crystal Quest Commercial Reverse Osmosis Filter System

    $2,499.99
    MSRP: $2,877.29
    Save 13%
  • CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System

    CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System

    $5,099.99
    MSRP: $5,867.29
    Save 13%
  • CRYSTAL-QUEST-CQE-CT-00142

    CRYSTAL-QUEST-CQE-CT-00142

    $169.00
    MSRP: $186.29
    Save 9%
  • CRYSTAL-QUEST-CQE-RC-04002

    CRYSTAL-QUEST-CQE-RC-04002

    $57.00
    MSRP: $65.54
    Save 13%
  • CRYSTAL-QUEST-CQE-RC-04008

    CRYSTAL-QUEST-CQE-RC-04008

    $77.00
    MSRP: $83.94
    Save 8%
  • CRYSTAL-QUEST-CQE-RC-04049

    CRYSTAL-QUEST-CQE-RC-04049

    $57.00
    MSRP: $66.69
    Save 15%
  • CRYSTAL-QUEST-CQE-RC-04051

    CRYSTAL-QUEST-CQE-RC-04051

    $77.00
    MSRP: $94.29
    Save 18%
  • CQE-WC-00906 Crystal Quest Water Cooler

    CQE-WC-00906 Crystal Quest Water Cooler

    $599.99
    MSRP: $692.29
    Save 13%
  • CQE-WC-00907 Crystal Quest Water Cooler

    CQE-WC-00907 Crystal Quest Water Cooler

    $702.99
    MSRP: $810.74
    Save 13%
  • CQE-WC-00908 Crystal Quest Turbo Ultrafiltration Countertop Water Cooler
  • CQE-WC-00909 Crystal Quest Water Cooler

    CQE-WC-00909 Crystal Quest Water Cooler

    $596.99
    MSRP: $688.84
    Save 13%
  • CQE-WH-01215 Crystal Quest Multi 1.5 Whole House Iron Hydrogen Sulfide Filter System
  • CQP-WC-05900 Crystal Quest Water Cooler

    CQP-WC-05900 Crystal Quest Water Cooler

    $792.99
    MSRP: $910.79
    Save 13%
  • CQE-SP-00803 Crystal Quest Luxury Shower Power Chrome Filter w/Massage Head
  • CQE-WC-00910 Crystal Quest Sharp Reverse Osmosis/Ultra-Filtration Floor Water Cooler
  • CQE-CT-00128 Crystal Quest Countertop Ceramic Water Filter System
  • CQE-CT-00132 Crystal Quest Countertop Fluoride Water Filter: Double Fluoride PLUS
  • CRYSTAL-QUEST-CQE-PI-00600

    CRYSTAL-QUEST-CQE-PI-00600

    $29.95
  • CQE-RC-04000 Crystal Quest Carbon Block Water Filter Cartridge
  • CRYSTAL-QUEST-CQE-RC-04001

    CRYSTAL-QUEST-CQE-RC-04001

    $19.50
  • CRYSTAL-QUEST-CQE-RC-04003

    CRYSTAL-QUEST-CQE-RC-04003

    $77.00
  • CRYSTAL-QUEST-CQE-RC-04005

    CRYSTAL-QUEST-CQE-RC-04005

    $60.09
  • CQE-RC-04006 Crystal Quest Fluoride Water Filter

    CQE-RC-04006 Crystal Quest Fluoride Water Filter

    $57.00
    MSRP: $63.24
    Save 10%
  • CQE-RC-04036 Crystal Quest Carbon Block Water Filter Cartridge
  • CQE-RC-04045 Crystal Quest Replacement Shower Filter Cartridge
  • CQE-RC-04046 Crystal Quest Replacement Faucet Filter

    CQE-RC-04046 Crystal Quest Replacement Faucet Filter

    $19.29
    MSRP: $25.99
    Save 26%
  • CRYSTAL-QUEST-CQE-RC-04047

    CRYSTAL-QUEST-CQE-RC-04047

    $18.99
  • CQE-RC-04039 Crystal Quest Water Cooler UF Membrane Filter Cartridge
  • CQE-RC-04038 Crystal Quest Water Cooler GAC Filter Cartridge
  • CQE-RC-04052 Crystal Quest Bath Ball Filter Replacement Disk
  • CQE-RF-00703 Crystal Quest Refrigerator/Inline PLUS Water Filtration System
  • CRYSTAL-QUEST-CQE-SP-00800

    CRYSTAL-QUEST-CQE-SP-00800

    $34.95
  • CRYSTAL-QUEST-CQE-SP-00801

    CRYSTAL-QUEST-CQE-SP-00801

    $39.95
  • CRYSTAL-QUEST-CQE-SP-00805

    CRYSTAL-QUEST-CQE-SP-00805

    $58.79
    MSRP: $65.54
    Save 10%
  • CQE-SP-00807 Crystal Quest Shower Power Filtered Handheld & Shower Head Combo
  • CRYSTAL-QUEST-CQE-SP-00808

    CRYSTAL-QUEST-CQE-SP-00808

    $49.95
  • CRYSTAL-QUEST-CQE-SP-00809

    CRYSTAL-QUEST-CQE-SP-00809

    $61.99
  • CQE-US-00313 Crystal Quest Undersink Double Ceramic PLUS Water Filtration System
  • CQE-US-00316 Crystal Quest Undersink Double Fluoride Filtration System
  • CQE-US-00320 Crystal Quest Undersink Triple Arsenic PLUS Filtration System
  • CQE-US-00324 Crystal Quest Undersink Triple Nitrate PLUS Filtration System
  • CRYSTAL-QUEST-CQE-FM-00500

    CRYSTAL-QUEST-CQE-FM-00500

    $27.99
    MSRP: $33.34
    Save 16%
  • CRYSTAL-QUEST-CQE-FM-00501

    CRYSTAL-QUEST-CQE-FM-00501

    $27.95
    MSRP: $33.34
    Save 16%
  • CRYSTAL-QUEST-CQE-SP-00802

    CRYSTAL-QUEST-CQE-SP-00802

    $39.95
    MSRP: $58.99
    Save 32%
  • CQE-SP-00804 Crystal Quest Luxury Handheld Shower Filter System
  • CQE-WH-01132 Crystal Quest 2.0 Whole House Nitrate Filter System

    CQE-WH-01132 Crystal Quest 2.0 Whole House Nitrate Filter System

    $1,659.99
    MSRP: $1,911.29
    Save 13%
  • CRYSTAL-QUEST-CQE-RC-04014

    CRYSTAL-QUEST-CQE-RC-04014

    $39.99

Items 1 to 48 of 55 total

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