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

7 Item(s)

Grid  List 

Set Descending Direction
  • W9330042 Doulton Undersink Filter System

    W9330042 Doulton HIP Undersink Water Filtration System

    $78.99
    MSRP: $107.99
    Save 27%
  • QC10-CB1 Pentek Undersink Quick-Change Filter System

    QC10-CB1 Pentek Quick-Change Water Filtration System

    $32.95
    MSRP: $40.99
    Save 20%
  • QC10-CBR-JG14 Pentek Undersink Quick-Change Filter System

    QC10-CBR-JG14 Pentek Quick-Change Water Filter System

    $33.99
    MSRP: $35.41
    Save 4%
  • QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  • QC10-EP Pentek Undersink Quick-Change Filter System

    QC10-EP Pentek Quick-Change Filter System

    $29.99
    MSRP: $34.26
    Save 12%
  • QC10-GAC Pentek Undersink Quick-Change Filter System

    QC10-GAC Pentek Quick-Change Water Filter System

    $23.59
    MSRP: $42.99
    Save 45%
  • QC10-TSGAC Pentek Undersink Quick-Change Filter System

    QC10-TSGAC Pentek Quick-Change Water Filter Cartridge

    $26.29
    MSRP: $39.99
    Save 34%

7 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top