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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 142 total

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  • Hydronix SDC-25-4005 Polypropylene Sediment Filter

    Hydronix SDC-25-4005 Polypropylene Sediment Filter

    $11.99
    MSRP: $13.56
    Save 12%
  • Hydronix SDC-25-4025 Polypropylene Sediment Filter

    Hydronix SDC-25-4025 Polypropylene Sediment Filter

    $12.99
    MSRP: $14.34
    Save 9%
  • Hydronix SDC-25-4075 Polypropylene Sediment Filter

    Hydronix SDC-25-4075 Polypropylene Sediment Filter

    $12.99
    MSRP: $14.34
    Save 9%
  • W20CLHD American Plumber Whole House Heavy Duty Filter Cartridge
  • W20CLHD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • W30PEHD American Plumber Whole House Heavy Duty Filter Cartridge
  • W50PEHD American Plumber Whole House Heavy Duty Filter Cartridge
  • 3M Aqua-Pure AP110-3 Whole House Water Filter

    AP110-3 3M Aqua-Pure Replacement Water Filter Cartridge

    $29.99
    MSRP: $34.49
    Save 13%
  • 3M Aqua-Pure AP124-3 Water Filter

    AP124-3 3M Aqua-Pure Replacement Water Filter

    $29.99
    MSRP: $35.64
    Save 16%
  • 3M Aqua-Pure AP810 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP810-2 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP811 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP811-2 Whole House Water Filter
  • 3M Aqua-Pure AP814 Whole House Water Filter
  • 3M Aqua-Pure AP814-2 Whole House Water Filter
  • 3M Aqua-Pure AP817-2 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP903 Water Filter System

    AP903 3M Aqua-Pure Water Filtration System

    $239.99
    MSRP: $342.69
    Save 30%
  • 3M Aqua-Pure AP910R Water Filter

    AP910R 3M Aqua-Pure Replacement Filter Cartridge

    $118.99
    MSRP: $128.79
    Save 8%
  • 3M Aqua-Pure AP917R Water Filter Cartridge
  • CP5-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge
  • CFS22 Cuno Whole House Filter Housing

    CFS22 Cuno Whole House Filter Housing

    $128.99
    MSRP: $148.34
    Save 13%
  • HB-20-1W Harmsco Calypso Blue Replacement Filter Cartridge
  • HB-20-20W Harmsco Calypso Blue Replacement Filter Cartridge
  • HB-20-50W Harmsco Calypso Blue Replacement Filter Cartridge
  • HB-20-5W Harmsco Calypso Blue Replacement Filter Cartridge
  • HC40-5 Harmsco Replacement Filter Cartridge

    HC40-5 Harmsco Replacement Filter Cartridge

    $92.99
    MSRP: $95.34
    Save 2%
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SPC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • HFPP-112-PR10 Pentek Big Blue Whole House 10 inch Filter Housing
  • KO50G4S Pentek Polypropylene Filter Bag

    KO50G4S Pentek Polypropylene Filter Bag

    $4.99
    MSRP: $5.85
    Save 15%
  • KO5G3S Pentek Polypropylene Bag Filter

    KO5G3S Pentek Polypropylene Filter Bags

    $4.99
    MSRP: $7.00
    Save 29%
  • ST-3 Pentek Filter Housing - Stainless Steel

    ST-3 Pentek Filter Housing - Stainless Steel

    $283.99
    MSRP: $345.79
    Save 18%
  • ST-BC-4 Pentek Filter Housing - Stainless Steel

    ST-BC-4 Pentek Filter Housing - Stainless Steel

    $759.05
    MSRP: $1,009.11
    Save 25%
  • WP10BB97P Pentek Whole House Filter Replacement Cartridge
  • WP1BB20P Pentek Whole House Filter Replacement Cartridge
  • WP25BB20P Pentek Whole House Filter Replacement Cartridge
  • WP5BB20P Pentek Replacement Filter Cartridge

    WP5BB20P Pentek Replacement Filter Cartridge

    $34.99
    MSRP: $42.54
    Save 18%
  • WPX100BB97P Pentek Replacement Filter Cartridge

    WPX100BB97P Pentek Replacement Filter Cartridge

    $18.99
    MSRP: $24.14
    Save 21%
  • WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    $19.99
    MSRP: $24.14
    Save 17%
  • 650651 Trojan UV Max UV Water Purification System
  • 650652 Trojan UV Max UV System
  • 650653 Trojan UV Max UV System
  • 650686 Trojan UV Max UV Water Purification System
  • 150235 Pentek Whole House Filter System

    150235 Pentek Whole House Filter System

    $64.99
    MSRP: $73.36
    Save 11%
  • BBFS-22 Pentek Two Housing Filter System

    BBFS-22 Pentek Two Housing Filter System

    $175.09
    MSRP: $203.65
    Save 14%
  • BBFS-222 Pentek Three Housing Filter System
  • BN-410-250 Pentek Nylon Bag Filter
  • BP-410-1 Pentek Polypropylene Bag Filter

    BP-410-1 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%

Items 1 to 48 of 142 total

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