Discount Water Filters and Air Filters at Discount Filter Store.com

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

Clear All
Compare

18 Item(s)

Grid  List 

Set Descending Direction
  • ISH-100 Culligan Level 2 Inline Shower Filter for 1/2 inch thread Shower Heads
  • ISH-200 Culligan Inline Shower Filter - Chrome

    ISH-200 Culligan Inline Shower Filter - Chrome

    $33.19
    MSRP: $44.99
    Save 26%
  • RDSH-C115 Culligan Showerhead

    RDSH-C115 Culligan Showerhead

    $38.99
    MSRP: $55.99
    Save 30%
  • CFS117-S Cuno Whole House Filter Replacement Cartridge

    CFS117-S Cuno Whole House Filter Replacement Cartridge

    $32.05
    MSRP: $40.24
    Save 20%
  • K00174 Manitowoc Tri-Liminator Replacement Ice Maker Filter Cartridge
  • FLOPLUS-20 Pentek Replacement Filter Cartridge

    FLOPLUS-20 Pentek Replacement Filter Cartridge

    $28.99
    MSRP: $31.84
    Save 9%
  • GAC-20 Pentek Replacement Filter Cartridge

    GAC-20 Pentek Replacement Filter Cartridge

    $18.39
    MSRP: $29.99
    Save 39%
  • GAC-BB Pentek Replacement Filter Cartridge

    GAC-BB Pentek Replacement Filter Cartridge

    $26.59
    MSRP: $36.99
    Save 28%
  • MAXPB-975 Watts C-MAX Replacement Filter Cartridge

    MAXPB-975 Watts C-MAX Water Filter Cartridge

    $19.09
    MSRP: $27.99
    Save 32%
  • MAXVOC-975 Watts C-MAX Replacement Filter Cartridge

    MAXVOC-975 Watts C-MAX Water Filter Cartridge

    $18.99
    MSRP: $22.99
    Save 17%
  • MATRIKX-5-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • MATRIKX-CTO2-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • ELFXL-1M Omnipure Replacement Filter Cartridge

    ELFXL-1M Omnipure Replacement Filter Cartridge

    $38.69
    MSRP: $50.99
    Save 24%
  • CFB-Plus20 Pentek Replacement Filter Cartridge

    CFB-Plus20 Pentek Replacement Water Filter Cartridge

    $17.99
    MSRP: $32.99
    Save 45%
  • EP-30 Pentek Replacement Filter Cartridge

    EP-30 Pentek Replacement Water Filter Cartridge

    $38.69
    MSRP: $67.99
    Save 43%
  • Pentek EP-20 Replacement Water Filter Cartridge

    Pentek EP-20 Water Filter Cartridge Replacements

    $17.99 MSRP: $20.00
    Save 10%
  • EP-BB Pentek Replacement Filter Cartridge

    EP-BB Pentek Replacement Filter Cartridge

    $27.99 MSRP: $32.32
    Save 13%
  • Pentek EPM-BB Replacement Water Filter Cartridge

    Pentek EPM-BB Water Filter Cartridge Replacement

    $26.99 MSRP: $34.49
    Save 22%

18 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top