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

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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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Items 1 to 48 of 72 total

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  • 655130-43/DFX-CB-10 Pentek Diamond Polyspun Carbon Block Replacement
  • NFS-HARMSCO-HB-20-20W

    NFS-HARMSCO-HB-20-20W

    $16.99 MSRP: $26.99
    Save 37%
  • NFS-HYDROLOGIC-22010

    NFS-HYDROLOGIC-22010

    $16.99 MSRP: $26.99
    Save 37%
  • Hydronix SDC-25-3075 Polypropylene Sediment Filter

    Hydronix SDC-25-3075 Polypropylene Sediment Filter

    $10.99
    MSRP: $11.37
    Save 3%
  • Tier1 Brand Replacement for Intex 29002E

    Tier1 Brand Replacement for Intex 29002E (2-pack)

    $10.99
    MSRP: $15.99
    Save 31%
  • Hydronix SDC-25-3001 Polypropylene Sediment Filter
  • Hydronix SDC-25-4010 Polypropylene Sediment Filter

    Hydronix SDC-25-4010 Polypropylene Sediment Filter

    $12.99
    MSRP: $14.34
    Save 9%
  • Hydronix SDC-25-4050 Polypropylene Sediment Filter

    Hydronix SDC-25-4050 Polypropylene Sediment Filter

    $12.99
    MSRP: $14.34
    Save 9%
  • RF-3375 PUR 2-Stage Vertical Faucet Filter Replacement Cartridge - White
  • 3US-AF01 Filtrete Comparable Undersink Filter Replacement Cartridge
  • GXRTDR GE Inline Water Filter Cartridge Comparable By Tier1
  • 158098 Pentek Slim Line Water Filter Housing System

    158098 Pentek Slim Line Water Filter Housing System

    $15.99
    MSRP: $19.99
    Save 20%
  • PENTEK-158623

    PENTEK-158623

    $19.99
    MSRP: $21.26
    Save 6%
  • K2386-JJ Omnipure Inline Phosphate Water Filter

    K2386-JJ Omnipure Inline Phosphate Water Filter

    $10.05
    MSRP: $17.24
    Save 42%
  • CL10ROT33-A Omnipure GAC Inline Water Filter

    CL10ROT33-A Omnipure GAC Inline Water Filter

    $10.99
    MSRP: $14.94
    Save 26%
  • SPC-25-2010 Hydronix Pleated Sediment Water Filter

    SPC-25-2010 Hydronix Pleated Sediment Water Filter

    $10.99
    MSRP: $12.64
    Save 13%
  • 00401538 Culligan String Wound Sediment Filter
  • HYDRONIX_SPC_25_1005_FILTER

    HYDRONIX_SPC_25_1005_FILTER

    $10.99
  • FS-1-100 Rusco Spin-Down Replacement Water Filter

    FS-1-100 Rusco Spin-Down Replacement Water Filter

    $11.99
    MSRP: $21.84
    Save 45%
  • FS-1-140 Rusco Spin-Down Replacement Water Filter

    FS-1-140 Rusco Spin-Down Replacement Water Filter

    $11.99
    MSRP: $18.39
    Save 35%
  • FS-1-60 Rusco Spin-Down Polyester Replacement Water Filter

    FS-1-60 Rusco Spin-Down Polyester Replacement Water Filter

    $11.99
    MSRP: $19.54
    Save 39%
  • WQCSC11 Watts Kwik-Change Sediment Filter Cartridge

    WQCSC11 Watts Kwik-Change Sediment Filter Cartridge

    $11.99
    MSRP: $16.09
    Save 25%
  • FS-1-30 Rusco Spin-Down Polyester Replacement Filter

    FS-1-30 Rusco Spin-Down Polyester Replacement Filter

    $11.99
    MSRP: $31.04
    Save 61%
  • TIER1_P5_10BB_FILTER

    TIER1_P5_10BB_FILTER

    $11.99 MSRP: $24.64
    Save 51%
  • NFS-FILTRETE-4WH-HDGR-F01

    NFS-FILTRETE-4WH-HDGR-F01

    $11.99 MSRP: $24.64
    Save 51%
  • NFS-HYDRONIX-SDC-45-1005

    NFS-HYDRONIX-SDC-45-1005

    $11.99 MSRP: $24.64
    Save 51%
  • NFS-AQUAPURE-AP810

    NFS-AQUAPURE-AP810

    $11.99 MSRP: $24.64
    Save 51%
  • 2186494W Whirlpool Refrigerator Water Filter Cap - White

    2186494W Whirlpool Refrigerator Water Filter Cap - White

    $12.99
    MSRP: $17.24
    Save 25%
  • CW-F Pentek String Wound Sediment Water Filter (9-7/8 in x 2-1/4 in)
  • SWC-25-1010 Hydronix String Wound Sediment Water Filter

    SWC-25-1010 Hydronix String Wound Sediment Water Filter

    $12.99
    MSRP: $14.34
    Save 9%
  • SDC-25-4001 Hydronix Sediment Water Filter Cartridge

    SDC-25-4001 Hydronix Sediment Water Filter Cartridge

    $12.99
    MSRP: $16.09
    Save 19%
  • PX05-40 Purtrex Whole House Replacement Sediment Filter Cartridge
  • TDS Water Test Meter by Tier1 (#TDS-3-W)

    TDS-3-W Tier1 TDS Water Test Meter

    $12.99
    MSRP: $17.99
    Save 28%
  • 153126 Pentek Filter Housing Sump - White

    153126 Pentek Filter Housing Sump - White

    $13.39
    MSRP: $17.70
    Save 24%
  • FM-25R Culligan Replacement Faucet Filter

    FM-25R Culligan Replacement Faucet Filter

    $13.89
    MSRP: $21.99
    Save 37%
  • Dupont WFSSC0501 Shower Water Filter Replacement Cartridge

    Dupont WFSSC0501 Shower Water Filter Replacement Cartridge

    $13.89
    MSRP: $19.99
    Save 31%
  • FS-1-500 Rusco Spin-Down Replacement Water Filter

    FS-1-500 Rusco Spin-Down Replacement Water Filter

    $13.99
    MSRP: $20.69
    Save 32%
  • FS-1-250 Rusco Spin-Down Replacement Water Filter

    FS-1-250 Rusco Spin-Down Replacement Water Filter

    $13.99
    MSRP: $20.69
    Save 32%
  • SWC-25-2030 Hydronix String Wound Sediment Water Filter (30 micron)
  • WSI-2 Water Sentinel Filter
  • FMS-2 Tier1 Water Flow Sensor

    FMS-2 Tier1 Water Flow Sensor

    $14.50
    MSRP: $20.69
    Save 30%
  • GXRTQR GE Smart Water In-Line Comparable Replacement Cartridge by Tier1
  • FS-1-100ST Rusco Sediment Trapper Replacement Filter

    FS-1-100ST Rusco Sediment Trapper Replacement Filter

    $14.99
    MSRP: $21.84
    Save 31%
  • SPC-25-2020 Hydronix Pleated Sediment Water Filter

    SPC-25-2020 Hydronix Pleated Sediment Water Filter

    $14.99
    MSRP: $20.99
    Save 29%
  • HYDRONIX-SPC-25-2005

    HYDRONIX-SPC-25-2005

    $14.99
    MSRP: $20.99
    Save 29%
  • WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter
  • HYDRONIX-SWC-45-1005

    HYDRONIX-SWC-45-1005

    $15.99
    MSRP: $19.54
    Save 18%
  • TIER1_EP5_20_FILTER

    TIER1_EP5_20_FILTER

    $15.99 MSRP: $20.69
    Save 23%

Items 1 to 48 of 72 total

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