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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 181 total

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  • SPC-25-1020 Hydronix Sediment Water Filter

    SPC-25-1020 Hydronix Pleated Sediment Water Filter

    $6.99 MSRP: $10.91
    Save 36%
  • 200375 Axeon Reverse Osmosis Membrane

    200375 Axeon Reverse Osmosis Membrane

    $101.99
    MSRP: $119.59
    Save 15%
  • S8Q-PA Sterilight UV Water Sterilizer System - 10 GPM
  • 200386 Axeon Extra-Low Energy HF4-2514 Commercial Reverse Osmosis Membrane
  • 200379 Axeon HF1-4040 Low Energy Reverse Osmosis Membrane

    200379 Axeon HF1-4040 Low Energy Reverse Osmosis Membrane

    $272.99
    MSRP: $325.99
    Save 16%
  • Pentek PD-1-30 Polypropylene Sediment Filter
  • Pentek PS5-30C Polypropylene Sediment Filter

    Pentek PS5-30C Polypropylene Sediment Filter

    $9.99
    MSRP: $12.64
    Save 21%
  • 3M Aqua-Pure AP-GRMB-50PP-10UB
  • Cuno HF90-S Replacement Filter Cartridge

    Cuno HF90-S Replacement Filter Cartridge

    $185.99
    MSRP: $243.79
    Save 24%
  • Pentek 150002 10-inch Standard Filter Housing

    Pentek 150002 10-inch Standard Filter Housing

    $33.99
    MSRP: $39.09
    Save 13%
  • 4002124 American Plumber Whole House Sediment Filter System
  • W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • 3M Aqua-Pure AP1001 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP1003 Water Filter Replacement Cartridge (2-Pack)
  • 3M Aqua-Pure AP101T Whole House Water Filter

    AP101T 3M Aqua-Pure Whole House Water Filtration System

    $103.99
    MSRP: $137.99
    Save 25%
  • 3M Aqua-Pure AP110 Whole House Water Filter Cartridge
  • AP111 3M Aqua-Pure Whole House Filter Replacement Cartridge
  • 3M Aqua-Pure AP111-2 Whole House Water Filter
  • 3M Aqua-Pure AP124 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP410 Water Filter Cartridges
  • 3M Aqua-Pure AP420 Water Filter Replacement Cartridge
  • 3M Aqua-Pure AP430SS Water Heater Scale Inhibitor
  • 3M Aqua-Pure AP815 Whole House Water Filter
  • CB6 OmniFilter Whole House Filter Replacement Cartridge
  • CQE-CO-02028 Crystal Quest Commercial Reverse Osmosis Filter System
  • P1-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)
  • P5-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)
  • CFS110 Cuno Whole House Filter Replacement Cartridge

    CFS110 Cuno Whole House Filter Replacement Cartridge

    $14.99
    MSRP: $16.09
    Save 7%
  • HF8-S Cuno Whole House Filter Replacement Cartridge

    HF8-S Cuno Whole House Water Filter Cartridge

    $39.05
    MSRP: $62.09
    Save 37%
  • HF95 Cuno Whole House Filter Replacement Cartridge

    HF95 Cuno Whole House Water Filter Cartridge

    $197.99
    MSRP: $229.99
    Save 14%
  • HF95-S Cuno Whole House Water Filter Cartridge

    HF95-S Cuno Whole House Water Filter Cartridge

    $195.99
    MSRP: $227.69
    Save 14%
  • W9381000 Doulton High Flow Multi Candle Filter Module

    W9381000 Doulton High Flow Multi Candle Filter Module

    $140.99
    MSRP: $158.36
    Save 11%
  • W9381105 Doulton RIO 2000 Ceramic Multi-Candle Filter Cartridge
  • EV9797-20 Everpure Scale Inhibitor Feeder and Deliming System
  • Quad-MC2 Everpure Replacement Filter Cartridge Kit
  • SC10-11 Everpure Commercial Filter System

    SC10-11 Everpure Commercial Filter System

    $260.99
    MSRP: $298.99
    Save 13%
  • NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99
    MSRP: $1,152.29
    Save 13%
  • SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane
  • SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane
  • TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    $149.99
    MSRP: $174.79
    Save 14%
  • TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    $177.99
    MSRP: $203.54
    Save 13%
  • TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    $233.99
    MSRP: $236.34
    Save 1%
  • XLE-2521 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane
  • XLE-2540 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane
  • CB-45-2010 Hydronix Replacement Filter Cartridge

    CB-45-2010 Hydronix Replacement Filter Cartridge

    $36.99
    MSRP: $49.44
    Save 25%

Items 1 to 48 of 181 total

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