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Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

Items 1 to 48 of 141 total

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  • F5-WHITE Instapure Complete Faucet Filter System - White
  • F5-CHROME Instapure Complete Faucet Filter System - Chrome
  • RPWFE GE Refrigerator Water Filter

    RPWFE GE Refrigerator Water Filter

    $49.85 MSRP: $54.99
    Save 9%
  • R5 Instapure Complete Faucet Filter Replacement Cartridge (4-Pack)
  • R5-2PK Instapure Complete Faucet Filter Replacement Cartridge (2-Pack)
  • R5-1PK Instapure Complete Faucet Filter Replacement Cartridge
  • AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    $28.99
    MSRP: $32.19
    Save 10%
  • CQE-CT-00142 Crystal Quest Countertop Reverse Osmosis Filter System
  • CQE-RC-04002 Crystal Quest PLUS Multi-Stage Replacement Filter Cartridge
  • CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    $70.99
    MSRP: $83.94
    Save 15%
  • CQE-RC-04049 Crystal Quest Fluoride Multi Replacement Filter Cartridge
  • CQE-RC-04051 Crystal Quest Arsenic Multi Replacement Filter Cartridge
  • DD-7098 Daewoo Inline Filter

    DD-7098 Daewoo Inline Filter

    $28.99
    MSRP: $31.34
    Save 7%
  • TLC-150EB Desal Encapsulated Reverse Osmosis Membrane
  • W9121214 Doulton ATC Super Sterasyl Replacement Element
  • W9121715 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9121750 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9361122 Doulton Countertop Filter System

    W9361122 Doulton SS2 Countertop Filter System

    $199.97
    MSRP: $232.27
    Save 14%
  • EV9275-70 Everpure QL2-OW200L Filter System

    EV9275-70 Everpure QL2-OW200L Filter System

    $70.05
    MSRP: $124.19
    Save 44%
  • PCF1-10MB Pentek Whole House Filter Replacement Cartridge
  • TQ56-36FC PuROTwist PuROTwist Reverse Osmosis Membrane
  • W-1812-24 Watts Replacement Reverse Osmosis Membrane

    W-1812-24 Watts Reverse Osmosis Membrane Replacement

    $21.99
    MSRP: $40.24
    Save 45%
  • W-1812-36 Watts Replacement Reverse Osmosis Membrane

    W-1812-36 Watts Replacement Reverse Osmosis Membrane

    $28.99
    MSRP: $42.54
    Save 32%
  • WQCM11-50 Watts Kwik-Change Replacement Reverse Osmosis Membrane - Green
  • 8013618 Katadyn Camping Filter System

    8013618 Katadyn Camping Filter System

    $369.95
    MSRP: $427.74
    Save 14%
  • 8013624 Katadyn Replacement Filter Element (2-Pack)

    8013624 Katadyn Replacement Filter Element (2-Pack)

    $14.95
    MSRP: $19.49
    Save 23%
  • 8013629 Katadyn Camping Filter System
  • 8017763 Katadyn Camping Filter System

    8017763 Katadyn Camping Filter System

    $169.05
    MSRP: $255.24
    Save 34%
  • 8017764 Katadyn Microfilter System
  • 8014200 Katadyn Exstream XR Ultralight Series 28-Ounce Personal Water Purifier Bottle - Blue
  • TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    $87.99
    MSRP: $105.79
    Save 17%
  • S1227RS Microline TFC Reverse Osmosis Membrane

    S1227RS Microline TFC Reverse Osmosis Membrane

    $57.99
    MSRP: $84.99
    Save 32%
  • S1229RS Microline TFC Reverse Osmosis Membrane

    S1229RS Microline TFC Reverse Osmosis Membrane

    $59.99
    MSRP: $71.29
    Save 16%
  • W9223022 Doulton Replacement Ceramic Filter

    W9223022 Doulton Ultracarb Replacement Ceramic Filter

    $70.99
    MSRP: $82.65
    Save 14%
  • W9123085 Doulton Imperial UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge
  • WF284 Refrigerator Water Filter - 1

    WF284 AquaFresh Refrigerator Water Filter

    $23.99 MSRP: $32.19
    Save 25%

Items 1 to 48 of 141 total

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