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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  • PENTEK_PE25G2S_20_PACK
  • IF14C Ice-O-Matic Inline Water Filtration Cartridge

    Ice-O-Matic IF14C Inline Water Filter Cartridge

    $100.59
    MSRP: $118.99
    Save 15%
  • DPFR16X25X3OBDBP Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3OBDWR Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • Tier1 500 Air Filter - 24x36x1 (6-Pack)

    24x36x1 Merv 6 Universal Air Filter By Tier1 (6-Pack)

    $100.99
    MSRP: $103.34
    Save 2%
  • Tier1 1900 Air Filter - 18x36x1 (6-Pack)

    18x36x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $100.99
    MSRP: $103.34
    Save 2%
  • Tier1 1900 Air Filter - 12x16x2 (6-Pack)

    Tier1 1900 Air Filter - 12x16x2 (6-Pack)

    $100.99
    MSRP: $103.34
    Save 2%
  • Tier1 1900 Air Filter - 12-1/8 x 15 x 2 (6-Pack)

    Tier1 1900 Air Filter - 12-1/8 x 15 x 2 (6-Pack)

    $100.99
    MSRP: $103.34
    Save 2%
  • 3M Aqua-Pure AP802 Whole House Water Filter

    AP802 3M Aqua-Pure Whole House Water Filtration System

    $100.99
    MSRP: $118.44
    Save 15%
  • W9330962 Doulton Sterasyl Undersink Ceramic Candle Filter System
  • 36005 Hydrologic SmallBoy De-Chlorinator and Sediment Filter System With Upgraded KDF
  • Filtrete 1000 Micro Allergen Filter - 14x14x1 (6-Pack)
  • Tier1 500 Air Filter - 18x36x2 (6-Pack)

    Tier1 500 Air Filter - 18x36x2 (6-Pack)

    $101.99
    MSRP: $104.34
    Save 2%
  • Tier1 500 Air Filter - 22x28x2 (6-Pack)

    Tier1 500 Air Filter - 22x28x2 (6-Pack)

    $101.99
    MSRP: $104.34
    Save 2%
  • Tier1 1500 Air Filter - 21-1/4 x 23-1/4 x 1 (6-Pack)
  • Tier1 1500 Air Filter - 10x24x4 (6-Pack)

    Tier1 1500 Air Filter - 10x24x4 (6-Pack)

    $101.99
    MSRP: $104.34
    Save 2%
  • Tier1 1500 Air Filter - 12x18x4 (6-Pack)

    Tier1 1500 Air Filter - 12x18x4 (6-Pack)

    $101.99
    MSRP: $104.34
    Save 2%
  • Tier1 1900 Air Filter - 12-1/2 x 24-1/2 x 1 (6-Pack)

    Tier1 1900 Air Filter - 12-1/2 x 24-1/2 x 1 (6-Pack)

    $101.99
    MSRP: $104.34
    Save 2%
  • Tier1 1900 Air Filter - 15x20x2 (6-Pack)

    Tier1 1900 Air Filter - 15x20x2 (6-Pack)

    $101.99
    MSRP: $104.34
    Save 2%
  • Tier1 600 Air Filter - 22x36x1 (6-Pack)
  • Tier1 600 Air Filter - 12x30x4 (6-Pack)
  • Tier1 600 Air Filter - 16x16x4 (6-Pack)
  • BT-100 Rainshow’r Breakthrough Drinking Water Filtration System
  • W9331001 Doulton Countertop Filter System
  • Filtrete 1000 Micro Allergen Filter - 12x24x1 (6-Pack)
  • Filtrete 1000 Micro Allergen Filter - 14x20x1 (6-Pack)
  • Tier1 1900 Air Filter - 16x22x2 (6-Pack)

    16x22x2 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $102.99
    MSRP: $105.34
    Save 2%
  • Tier1 1900 Air Filter - 15x20x4 (6-Pack)

    Tier1 1900 Air Filter - 15x20x4 (6-Pack)

    $102.99
    MSRP: $105.34
    Save 2%
  • Tier1 1900 Air Filter - 16x25x4 (6-Pack)

    16x25x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $102.99
    MSRP: $139.99
    Save 26%
  • Tier1 600 Air Filter - 30x30x1 (6-Pack)

    30x30x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $102.99
    MSRP: $105.34
    Save 2%
  • KDF85-20 Tier1 Water Filter
  • THM-1 Everpure Replacement Filter Cartridge

    THM-1 Everpure Replacement Filter Cartridge

    $103.05
    MSRP: $157.54
    Save 35%
  • HM Digital PH-200 Water Test Meter

    PH-200 HM Digital Water Test Meter

    $103.49
    MSRP: $127.99
    Save 19%
  • 3M Aqua-Pure RO3RC Reverse Osmosis Pre and Post Filter Set
  • 3M Aqua-Pure AP101T Whole House Water Filter

    AP101T 3M Aqua-Pure Whole House Water Filtration System

    $103.99
    MSRP: $137.99
    Save 25%
  • HF45-S Cuno Whole House Filter Replacement Cartridge

    HF45-S Cuno Whole House Filter Replacement Cartridge

    $103.99
    MSRP: $120.39
    Save 14%
  • Tier1 1500 Air Filter - 21x23x2 (6-Pack)

    Tier1 1500 Air Filter - 21x23x2 (6-Pack)

    $103.99
    MSRP: $106.34
    Save 2%
  • Tier1 1500 Air Filter - 24x28x2 (6-Pack)

    Tier1 1500 Air Filter - 24x28x2 (6-Pack)

    $103.99
    MSRP: $106.34
    Save 2%
  • Tier1 1500 Air Filter - 12x16x4 (6-Pack)

    Tier1 1500 Air Filter - 12x16x4 (6-Pack)

    $103.99
    MSRP: $106.34
    Save 2%

Items 1 to 48 of 643 total

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