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 147 total

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  • Pleatco PCC105-PAK4 Replacement Pool and Spa Filter (4-Pack)

    Pleatco PCC105-PAK4 Pool and Spa Filter Replacement (4-Pack)

    $204.95
    MSRP: $313.50
    Save 35%
  • Pleatco PA106-PAK4 Replacement Pool and Spa Filter (4-Pack)

    Pleatco PA106-PAK4 Pool and Spa Replacement Filter (4-Pack)

    $219.99
    MSRP: $330.17
    Save 33%
  • Pleatco PA100N-PAK4 Replacement Pool and Spa Filter (4-Pack)

    Pleatco PA100N-PAK4 Pool and Spa Filter Replacement (4-Pack)

    $224.99
    MSRP: $313.48
    Save 28%
  • Pleatco PJAN115-PAK4 replacement for A0558000 (4-Pack)

    Pleatco PJAN115-PAK4 replacement for A0558000 (4-Pack)

    $239.09
    MSRP: $292.99
    Save 18%
  • Pleatco PJAN85-PAK4 replacement for A0557900 (4-Pack)

    Pleatco PJAN85-PAK4 replacement for A0557900 (4-Pack)

    $247.99
    MSRP: $294.22
    Save 16%
  • Pleatco PCC130-PAK4 Replacement Pool and Spa Filter (4-Pack)

    Pleatco PCC130-PAK4 Pool and Spa Filter Replacement (4-Pack)

    $260.95
    MSRP: $387.78
    Save 33%
  • Pleatco PJAN145-PAK4 replacement for A0104100 (4-Pack)

    Pleatco PJAN145-PAK4 replacement for A0104100 (4-Pack)

    $270.99
    MSRP: $395.73
    Save 32%
  • Pleatco PA126-PAK4 Replacement Pool and Spa Filter

    Pleatco PA126-PAK4 Pool and Spa Filter Replacement (4-Pack)

    $279.39
    MSRP: $341.99
    Save 18%
  • Pleatco PA131-PAK4 Replacement Pool and Spa Filter (4-Pack)

    Pleatco PA131-PAK4 Pool and Spa Replacement Filter (4-Pack)

    $299.99
    MSRP: $404.74
    Save 26%
  • Pleatco PA137-PAK4 Replacement Pool and Spa Filter (4-Pack)

    Pleatco PA137-PAK4 Pool and Spa Replacement Filter (4-Pack)

    $315.59
    MSRP: $385.99
    Save 18%
  • 650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    $393.99
    MSRP: $565.00
    Save 30%
  • UVBB-120-1 Pentek UV System

    UVBB-120-1 Pentek UV System

    $434.99
    MSRP: $594.54
    Save 27%
  • 3M AquaPure 3MFF101 Whole House Water Filter Cartridge

    3MFF101 3M Aqua-Pure Replacement Water Filter Cartridge

    $200.99
    MSRP: $209.29
    Save 4%
  • 2650 Pro Products Siphoning Feeder System

    2650 Pro Products Siphoning Feeder System

    $200.99
    MSRP: $233.44
    Save 14%
  • SST1HA 3M Aqua-Pure Water Filter System Housing
  • Tier1 1900 Air Filter - 18x30x4 (6-Pack)

    Tier1 1900 Air Filter - 18x30x4 (6-Pack)

    $204.99
    MSRP: $207.34
    Save 1%
  • 3M Aqua-Pure AP902 Whole House Water Filter

    AP902 3M Aqua-Pure Whole House Water Filtration System

    $204.99
    MSRP: $238.04
    Save 14%
  • Tier1 1500 Air Filter - 20x34x4 (6-Pack)

    Tier1 1500 Air Filter - 20x34x4 (6-Pack)

    $205.99
    MSRP: $208.34
    Save 1%
  • Tier1 1500 Air Filter - 22x26x4 (6-Pack)

    Tier1 1500 Air Filter - 22x26x4 (6-Pack)

    $205.99
    MSRP: $208.34
    Save 1%
  • Tier1 1500 Air Filter - 22x28x4 (6-Pack)

    Tier1 1500 Air Filter - 22x28x4 (6-Pack)

    $205.99
    MSRP: $208.34
    Save 1%
  • 8013619 Katadyn Pocket Replacement Camping Water Filter Kit

    8013619 Katadyn Pocket Replacement Camping Water Filter Kit

    $206.99
    MSRP: $257.99
    Save 20%
  • PS-200 HM Digital Water Test Meter
  • PSC-150 HM Digital Commercial Controller and Monitor
  • Filtrete 1000 Micro Allergen Filter - 14x36x1 (6-Pack)
  • 3M Aqua-Pure Complete Easy Drinking Water Filtration System

    3M Aqua-Pure Complete Easy Drinking Water Filtration System

    $209.99
    MSRP: $249.99
    Save 16%
  • PENTEK_CHLORPLUS_20_6_PACK

    PENTEK_CHLORPLUS_20_6_PACK

    $209.99
  • Tier1 1900 Air Filter - 24x25x4 (6-Pack)

    24x25x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    $213.99
    MSRP: $216.34
    Save 1%
  • C100 Aquagate Leak Controller
  • Tier1 1500 Air Filter - 24x28x4 (6-Pack)

    Tier1 1500 Air Filter - 24x28x4 (6-Pack)

    $214.99
    MSRP: $217.34
    Save 1%
  • Tier1 1500 Air Filter - 20x32x4 (6-Pack)

    Tier1 1500 Air Filter - 20x32x4 (6-Pack)

    $215.99
    MSRP: $218.34
    Save 1%
  • Tier1 1500 Air Filter - 24x30x4 (6-Pack)

    Tier1 1500 Air Filter - 24x30x4 (6-Pack)

    $215.99
    MSRP: $218.34
    Save 1%
  • Tier1 1900 Air Filter - 16x32x4 (6-Pack)

    Tier1 1900 Air Filter - 16x32x4 (6-Pack)

    $215.99
    MSRP: $218.34
    Save 1%
  • Tier1 1900 Air Filter - 16x36x4 (6-Pack)

    Tier1 1900 Air Filter - 16x36x4 (6-Pack)

    $215.99
    MSRP: $218.34
    Save 1%
  • Tier1 600 Air Filter - 24x36x4 (6-Pack)
  • Tier1 1900 Air Filter - 15x30x4 (6-Pack)

    Tier1 1900 Air Filter - 15x30x4 (6-Pack)

    $216.99
    MSRP: $219.34
    Save 1%
  • FAP03-RS (19x18 rooms) Filtrete Ultra Clean Air Purifier
  • EV9324-01 Everpure Ice Machine Filter System

    EV9324-01 Everpure Ice Machine Filter System

    $218.99
    MSRP: $273.69
    Save 20%
  • Tier1 1500 Air Filter - 30x30x4 (6-Pack)

    Tier1 1500 Air Filter - 30x30x4 (6-Pack)

    $219.99
    MSRP: $222.34
    Save 1%
  • GL05N Pro Products Corrosion Control Poly Guard Liquid (5 Gallons)
  • PENTEK_PD_25_30_20_PACK

    PENTEK_PD_25_30_20_PACK

    $220.99
  • PENTEK_PD_5_30_20_PACK

    PENTEK_PD_5_30_20_PACK

    $221.99
  • PENTEK_PD_1_30_20_PACK

    PENTEK_PD_1_30_20_PACK

    $221.99
  • Tier1 1500 Air Filter - 20x36x4 (6-Pack)

    Tier1 1500 Air Filter - 20x36x4 (6-Pack)

    $223.99
    MSRP: $226.34
    Save 1%
  • BBFS-222 Pentek Three Housing Filter System

    BBFS-222 Pentek Three Housing Filter System

    $224.99
    MSRP: $331.43
    Save 32%
  • Tier1 1900 Air Filter - 24x28x4 (6-Pack)

    Tier1 1900 Air Filter - 24x28x4 (6-Pack)

    $226.99
    MSRP: $229.34
    Save 1%
  • 01009334 Culligan Booster Pump
  • 1240632 Merlin Booster Pump

    1240632 Merlin Booster Pump

    $229.99
    MSRP: $255.29
    Save 10%
  • Tier1 1900 Air Filter - 15x36x4 (6-Pack)

    Tier1 1900 Air Filter - 15x36x4 (6-Pack)

    $230.99
    MSRP: $233.34
    Save 1%

Items 1 to 48 of 147 total

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