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 155 total

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  • 3M Aqua-Pure SS8 EPE-316L Whole House Stainless Steel Filter Housing
  • 3M Aqua-Pure SS20 EPE-316L Whole House Stainless Steel Filter Housing
  • 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%
  • AP-RO5500 3M Aqua-Pure Reverse Osmosis System

    AP-RO5500 3M Aqua-Pure Reverse Osmosis System

    $499.99
    MSRP: $805.99
    Save 38%
  • 3M Aqua-Pure SS48 EPE-316L Whole House Stainless Steel Filter Housing
  • LSB6 Lifesaver 6000UF Water Bottle
  • Tier1 1900 Air Filter - 20x36x4 (6-Pack)

    Tier1 1900 Air Filter - 20x36x4 (6-Pack)

    $250.99
    MSRP: $253.34
    Save 1%
  • OAC200RF-6 Filtrete Office Air Purifier Replacement Filter (6-Pack)
  • 602856 Trojan UVMAX J UV Disinfection System Lamp
  • S1Q-PA Sterilight Silver Series UV Disinfection System

    S1Q-PA Sterilight Silver Series UV Disinfection System

    $255.00
    MSRP: $296.69
    Save 14%
  • 602856 Viqua Water Disinfection System UV Lamp

    602856 Viqua Water Disinfection System UV Lamp

    $255.00
    MSRP: $313.99
    Save 19%
  • 1240632-220V Aquatec Booster Pump
  • Tier1 1500 Air Filter - 30x36x4 (6-Pack)

    Tier1 1500 Air Filter - 30x36x4 (6-Pack)

    $258.99
    MSRP: $261.34
    Save 1%
  • SC10-11 Everpure Commercial Filter System

    SC10-11 Everpure Commercial Filter System

    $260.99
    MSRP: $298.99
    Save 13%
  • RO-3500 Pentek Reverse Osmosis Filter System

    RO-3500 Pentek Reverse Osmosis Filter System

    $263.09
    MSRP: $406.99
    Save 35%
  • 650703 Viqua Home UV Water Disinfection System Sensor

    650703 Viqua Home UV Water Disinfection System Sensor

    $265.00
    MSRP: $340.00
    Save 22%
  • OAC250 Filtrete Office Air Purifier

    3M OAC250 Filtrete Office Air Purifier

    $268.99
    MSRP: $271.34
    Save 1%
  • S2Q-PA Viqua Tap Plus UltraViolet Water Sterilization System

    S2Q-PA Viqua Tap Plus UltraViolet Water Sterilization System

    $269.00
    MSRP: $344.99
    Save 22%
  • 3M Aqua-Pure AP2150  Water Filter
  • S2Q-PA Sterilight Silver Series UV Disinfection System
  • Tier1 1900 Air Filter - 24x36x4 (6-Pack)

    Tier1 1900 Air Filter - 24x36x4 (6-Pack)

    $273.99
    MSRP: $276.34
    Save 1%
  • 3M Aqua-Pure AP904 Carbon Water Filter

    AP904 3M Aqua-Pure Carbon Water Filter

    $278.99
    MSRP: $330.00
    Save 15%
  • 4389195 Whirlpool Flex Tray Replacement Refrigerator Icemaker Kit
  • Tier1 P25S.643036 30x36x4 Air Filter (6-pack)

    Tier1 1900 Air Filter - 30x36x4 (6-Pack)

    $279.99
    MSRP: $282.34
    Save 1%
  • ST-3 Pentek Filter Housing - Stainless Steel

    ST-3 Pentek Filter Housing - Stainless Steel

    $283.99
    MSRP: $345.79
    Save 18%
  • OAC250RF-6 Filtrete Office Air Purifier Replacement Filter (6-Pack)
  • BA-ICE-C Sterilight Cobalt ICE Basic UV Disinfection System Controller
  • BA-ICE-S Viqua UV Disinfection System Controller

    BA-ICE-C Viqua UV Disinfection System Controller

    $289.00
    MSRP: $379.00
    Save 24%
  • WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    $290.21
    MSRP: $386.95
    Save 25%
  • UVS-110-1 Pentek UV System
  • 2110080 Katadyn Gravity Filter System

    2110080 Katadyn Gravity Filter System

    $294.95
    MSRP: $341.49
    Save 14%
  • 650713-007 Viqua UV Disinfection System Controller

    650713-007 Viqua UV Disinfection System Controller

    $299.00
    MSRP: $467.99
    Save 36%
  • VT1-DWS Viqua UltraViolet Drinking Water Disinfection System

    VT1-DWS Viqua UltraViolet Drinking Water Disinfection System

    $299.00
    MSRP: $355.99
    Save 16%
  • LSJC20RC Lifesaver 20000UF Jerrycan Replacement Filter Cartridge
  • PSC-154 HM Digital Controller

    PSC-154 HM Digital Controller

    $301.89
    MSRP: $376.99
    Save 20%
  • 650388 Trojan UV Max UV Water Purification System
  • WI-BG6000FFC Body Glove Water Filter Cartridge

    WI-BG6000FFC Body Glove Water Filter Cartridge

    $313.19
    MSRP: $408.99
    Save 23%
  • 650627 Viqua PRO Solenoid Valve Kit

    650627 Viqua PRO Solenoid Valve Kit

    $315.99
    MSRP: $450.00
    Save 30%
  • Quad-MC2 Everpure Replacement Filter Cartridge Kit

    Quad-MC2 Everpure Replacement Filter Cartridge Kit

    $316.99
    MSRP: $501.99
    Save 37%
  • HFPP-34-PR-20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)

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