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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  • Pleatco PA175-4 Replacement Pool and Spa Filter
  • Pleatco PWWCT150-M Replacement Pool and Spa Filter
  • W10186668 PUR Quarter-Turn Refrigerator Water Filter (3-Pack)
  • PAS-1605 Tier1 Replacement Pool and Spa Filter
  • Pleatco PWWEK150-M4 Pool and Spa Antimicrobial Replacement Filter
  • Pleatco PWWPC150B-M
  • Pleatco PWW200-4 Replacement Pool and Spa Filter

    Pleatco PWW200-4 Pool and Spa Replacement Filter

    $139.17
    MSRP: $162.35
    Save 14%
  • Pleatco PXST200

    Pleatco PXST200 Replacement Pool and Spa Filter

    $139.33
    MSRP: $162.53
    Save 14%
  • Pleatco PJANCS200-4 replacement for R0462400

    Pleatco PJANCS200-4 replacement for R0462400

    $139.69
    MSRP: $171.99
    Save 19%
  • US-1000 Pentek Undersink Filter System

    US-1000 Pentek Undersink Filter System

    $130.79
    MSRP: $179.99
    Save 27%
  • F-601R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)
  • Filtrete 1000 Micro Allergen Filter - 25x25x1 (6-Pack)

    Filtrete 1000 Micro Allergen Defense Filter - 25x25x1 (6-Pack)

    $130.99
    MSRP: $155.24
    Save 16%
  • Tier1 1500 Air Filter - 30x36x1 (6-Pack)

    Tier1 1500 Air Filter - 30x36x1 (6-Pack)

    $130.99
    MSRP: $133.34
    Save 2%
  • Tier1 1500 Air Filter - 20 x 21-1/2 x 4 (6-Pack)

    Tier1 1500 Air Filter - 20 x 21-1/2 x 4 (6-Pack)

    $130.99
    MSRP: $133.34
    Save 2%
  • Tier1 1900 Air Filter - 30x30x1 (6-Pack)

    30x30x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $130.99
    MSRP: $133.34
    Save 2%
  • 650538 CoolTouch Temperature Management Valve

    650538 Viqua CoolTouch Temperature Management Valve

    $130.99
    MSRP: $175.00
    Save 25%
  • Tier1 1900 Air Filter - 30x36x1 (6-Pack)

    Tier1 1900 Air Filter - 30x36x1 (6-Pack)

    $131.99
    MSRP: $134.34
    Save 2%
  • 16x24x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    16x24x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $131.99
    MSRP: $134.34
    Save 2%
  • Tier1 1900 Air Filter - 17x22x4 (6-Pack)

    Tier1 1900 Air Filter - 17x22x4 (6-Pack)

    $131.99
    MSRP: $134.34
    Save 2%
  • Tier1 600 Air Filter - 30x30x2 (6-Pack)
  • Tier1 600 Air Filter - 12x36x4 (6-Pack)
  • Tier1 600 Air Filter - 16x30x4 (6-Pack)
  • CFS01S Cuno Whole House Filter Housing

    CFS01S Cuno Whole House Water Filter Housing

    $132.05
    MSRP: $152.94
    Save 14%
  • Tier1 1500 Air Filter - 14x18x4 (6-Pack)

    Tier1 1500 Air Filter - 14x18x4 (6-Pack)

    $132.99
    MSRP: $135.34
    Save 2%
  • Tier1 1900 Air Filter - 14x22x4 (6-Pack)

    Tier1 1900 Air Filter - 14x22x4 (6-Pack)

    $132.99
    MSRP: $135.34
    Save 2%
  • 2404 Pro Products Water Test Kit

    2404 Pro Products Water Test Kit

    $132.99
    MSRP: $155.24
    Save 14%
  • EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    $133.09
    MSRP: $171.99
    Save 23%
  • HF65-S Cuno Whole House Filter Replacement Cartridge

    HF65-S Cuno Whole House Filter Replacement Cartridge

    $133.99
    MSRP: $155.81
    Save 14%
  • 20x23x4 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    20x23x4 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $133.99
    MSRP: $136.34
    Save 2%
  • Tier1 600 Air Filter - 20x30x4 (6-Pack)
  • Tier1 1900 Air Filter - 22x36x1 (6-Pack)

    Tier1 1900 Air Filter - 22x36x1 (6-Pack)

    $134.99
    MSRP: $137.34
    Save 2%
  • 20x24x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    20x24x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $134.99
    MSRP: $137.34
    Save 2%
  • Pro Products Pro Rust Out Water Softener Rust Remover
  • Filtrete 1000 Micro Allergen Filter - 12x36x1 (6-Pack)

    Filtrete 1000 Micro Allergen Defense Filter - 12x36x1 (6-Pack)

    $135.89
    MSRP: $233.99
    Save 42%
  • Filtrete 1500 Ultra Allergen Filter - 12x24x1 (6-Pack)
  • Filtrete 1500 Ultra Allergen Filter - 14x20x1 (6-Pack)
  • Tier1 1900 Air Filter - 10x16x2 (6-Pack)

    Tier1 1900 Air Filter - 10x16x2 (6-Pack)

    $135.99
    MSRP: $138.34
    Save 2%
  • Tier1 1900 Air Filter - 22x28x2 (6-Pack)

    Tier1 1900 Air Filter - 22x28x2 (6-Pack)

    $135.99
    MSRP: $138.34
    Save 2%
  • Tier1 1900 Air Filter - 24x28x2 (6-Pack)

    Tier1 1900 Air Filter - 24x28x2 (6-Pack)

    $135.99
    MSRP: $138.34
    Save 2%
  • Tier1 600 Air Filter - 22x36x4 (6-Pack)
  • 20035 Hydrologic 4-Stage Reverse Osmosis Cartridge

    22035 Hydrologic 4-Stage Reverse Osmosis Cartridge

    $136.19
    MSRP: $178.99
    Save 24%
  • Tier1 1900 Air Filter - 18x36x2 (6-Pack)

    Tier1 1900 Air Filter - 18x36x2 (6-Pack)

    $136.99
    MSRP: $139.34
    Save 2%
  • 20x25x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    20x25x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $136.99
    MSRP: $179.99
    Save 24%
  • Tier1 600 Air Filter - 18x36x4 (6-Pack)
  • RO-1070-W14 Reverse Osmosis Bladder Tank - 14 Gallon

    RO-1070-W14 Reverse Osmosis Bladder Tank - 14 Gallon

    $136.99
    MSRP: $159.84
    Save 14%
  • Tier1 500 Air Filter - 30x36x2 (6-Pack)

    Tier1 500 Air Filter - 30x36x2 (6-Pack)

    $137.99
    MSRP: $140.34
    Save 2%
  • HF60-S Cuno Whole House Filter Replacement Cartridge

    HF60-S Cuno Whole House Filter Replacement Cartridge

    $138.99
    MSRP: $160.99
    Save 14%
  • 602807 Trojan UV Max UV Lamp

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