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.

13 Item(s)

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  • WP-5 Pentek Replacement Filter Cartridge

    WP-5 Pentek Replacement Filter Cartridge

    $6.99
    MSRP: $8.84
    Save 21%
  • WP5BB20P Pentek Replacement Filter Cartridge

    WP5BB20P Pentek Replacement Filter Cartridge

    $34.99
    MSRP: $42.54
    Save 18%
  • WS-20 Pentek Water Softening Filter

    WS-20 Pentek Water Softening Filter

    $26.99
    MSRP: $35.64
    Save 24%
  • Pentek WS-10 Water Softening Water Filter

    Pentek WS-10 Water Softening Filter

    $19.99 MSRP: $24.83
    Save 19%
  • Tier1 brand replacement for CX500-RE, R173409 & 27-079 (front)

    Tier1 brand replacement for CX500-RE, R173409 & 27-079

    $28.99
    MSRP: $50.27
    Save 42%
  • Tier1 brand replacement for R173215 & 59054200 (front)

    Tier1 brand replacement for R173215 & 59054200

    $53.99
    MSRP: $75.89
    Save 29%
  • Tier1 brand replacement for R173213, 59054000 & 1561-26

    Tier1 brand replacement for R173213, 59054000 & 1561-26

    $29.99
    MSRP: $51.41
    Save 42%
  • Tier1 brand replacement for 817-0131, 178584 & R173476 (front)

    Tier1 brand replacement for 817-0131, 178584 & R173476

    $51.99
    MSRP: $73.59
    Save 29%
  • Tier1 brand replacement for 817-0143, 178585 & R173578 (front)

    Tier1 brand replacement for 817-0143, 178585 & R173578

    $67.99
    MSRP: $88.54
    Save 23%
  • Tier1 brand replacement for 178569 & R173572 (front)

    Tier1 brand replacement for 178569 & R173572

    $31.99
    MSRP: $58.96
    Save 46%
  • Tier1 brand replacement for 817-0081, 178580 & R173573 (front)

    Tier1 brand replacement for 817-0081, 178580 & R173573

    $48.99
    MSRP: $60.94
    Save 20%
  • Tier1 brand replacement for 17-2812, 17-4985 & 32050204 (front)

    Tier1 brand replacement for 17-2812, 17-4985 & 32050204

    $59.99
    MSRP: $79.90
    Save 25%
  • Tier1 brand replacement for 17-2810, 17-4983, 17-4985, 32050203 & R173298 (front)

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