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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.

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  • AMERICAN-PLUMBER-W20CLA

    AMERICAN-PLUMBER-W20CLA

    $11.99
    MSRP: $12.64
    Save 5%
  • AMERICAN-PLUMBER-W25P

    AMERICAN-PLUMBER-W25P

    $12.99
    MSRP: $13.79
    Save 6%
  • AMERICAN-PLUMBER-W30PE

    AMERICAN-PLUMBER-W30PE

    $16.99
    MSRP: $18.04
    Save 6%
  • AMERICAN-PLUMBER-W50PE

    AMERICAN-PLUMBER-W50PE

    $16.99
    MSRP: $18.39
    Save 8%
  • AMERICAN-PLUMBER-W50W

    AMERICAN-PLUMBER-W50W

    $13.99
  • AMERICAN-PLUMBER-W5CIP

    AMERICAN-PLUMBER-W5CIP

    $21.99
  • AMERICAN-PLUMBER-W5P

    AMERICAN-PLUMBER-W5P

    $12.99
    MSRP: $13.79
    Save 6%
  • AMERICAN-PLUMBER-W5W

    AMERICAN-PLUMBER-W5W

    $13.99
  • AMERICAN-PLUMBER-WPD-110
  • AMERICAN-PLUMBER-WRC25HD

    AMERICAN-PLUMBER-WRC25HD

    $35.99
    MSRP: $39.99
    Save 10%
  • AMERICAN-PLUMBER-WRC25HD20

    AMERICAN-PLUMBER-WRC25HD20

    $69.99
    MSRP: $78.19
    Save 10%
  • DESAL-TFM-24

    DESAL-TFM-24

    $24.99
    MSRP: $47.14
    Save 47%
  • HYDRONIX-CB-25-1005

    HYDRONIX-CB-25-1005

    $9.99
  • CB-25-2010 Hydronix Replacement Filter Cartridge

    CB-25-2010 Hydronix Replacement Filter Cartridge

    $14.99
    MSRP: $17.34
    Save 14%
  • CB-45-2010 Hydronix Replacement Filter Cartridge

    CB-45-2010 Hydronix Replacement Filter Cartridge

    $36.99
    MSRP: $49.44
    Save 25%
  • SDC-25-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-1020 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-2020 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-3005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-45-1001 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-45-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SPC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • AICRO Watts Inline Polishing Filter

    AICRO Watts Inline Polishing Filter

    $7.99
    MSRP: $9.19
    Save 13%
  • AICRO-JGK Watts Inline Filter Cartridge
  • FPIR-BB-20 Watts Whole House Replacement Filter Cartridge
  • FPMB-BB20-10 Watts Flo-Pro Whole House Replacement Filter Cartridge
  • FPMB20-20 Watts Flo-Pro Whole House Replacement Filter Cartridge
  • WATTS-FPMB20-978

    WATTS-FPMB20-978

    $3.99
    MSRP: $5.16
    Save 23%
  • WATTS-FPMB5-20

    WATTS-FPMB5-20

    $5.99
    MSRP: $6.89
    Save 13%
  • WATTS-FPMB5-978

    WATTS-FPMB5-978

    $4.99
    MSRP: $5.16
    Save 3%
  • WATTS-MAXETW-975

    WATTS-MAXETW-975

    $11.99
    MSRP: $13.79
    Save 13%
  • MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  • WATTS-MAXPB-975

    WATTS-MAXPB-975

    $17.99
    MSRP: $20.69
    Save 13%
  • WATTS-MAXVOC-975

    WATTS-MAXVOC-975

    $18.99
    MSRP: $22.99
    Save 17%
  • WATTS-W-1812-24

    WATTS-W-1812-24

    $21.99
    MSRP: $40.24
    Save 45%
  • WATTS-W-1812-36

    WATTS-W-1812-36

    $28.99
    MSRP: $42.54
    Save 32%
  • WATTS-WQCGAC11

    WATTS-WQCGAC11

    $17.99
  • WATTS-WQCM11-50

    WATTS-WQCM11-50

    $57.99
    MSRP: $68.99
    Save 16%
  • W20FFPH1CBPR Watts Flowmatic Big Clear Whole House Water Filter Housing
  • W10FFPH1CBPR Watts Full Flow Whole House Water Filter Housing
  • WQCSC11 Watts Kwik-Change Sediment Filter Cartridge

    WQCSC11 Watts Kwik-Change Sediment Filter Cartridge

    $11.99
    MSRP: $16.09
    Save 25%
  • WOR-FF Watts Full Flow Water Filter Housing O-Ring

    WOR-FF Watts Full Flow Water Filter Housing O-Ring

    $4.99
    MSRP: $8.04
    Save 38%
  • WW-FF Watts Full-Flow Water Filter Housing Wrench

    WW-FF Watts Full-Flow Water Filter Housing Wrench

    $7.99
    MSRP: $11.49
    Save 30%

Items 1 to 48 of 63 total

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