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.

28 Item(s)

Grid  List 

Set Descending Direction
  • D-20 Culligan Comparable Whole House Carbon Water Filter by Tier1
  • RWC-5 American Plumber Undersink Filter Replacement Cartridge
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • 750R-D Culligan Level 1 Undersink RV and Marine Icemaker and Drinking Water Filter
  • D-20A Culligan Level 1 Undersink Water Filter Replacement Cartridge
  • D-250A Culligan Undersink Filter Replacement Cartridge Set

    D-250A Culligan Undersink Filter Replacement Cartridge Set

    $30.99
    MSRP: $44.99
    Save 31%
  • D-28 Culligan Level 1 Undersink Filter Replacement Cartridge
  • IC-100A Culligan Level 1 Disposable Inline Filter

    IC-100A Culligan Level 1 Disposable Inline Filter

    $12.99
    MSRP: $16.78
    Save 23%
  • P1012581 Culligan Undersink Replacement Filter Cartridge
  • PIT-1 Culligan Level 2 Water Pitcher

    PIT-1 Culligan Level 2 Water Pitcher

    $14.05
    MSRP: $22.64
    Save 38%
  • PR-1 Culligan Pitcher Replacement Cartridge

    PR-1 Culligan Water Filter Pitcher Replacement Cartridge

    $6.99
    MSRP: $12.52
    Save 44%
  • PR-1U Culligan Universal Water Pitcher Replacement Cartridge
  • PR-3 Culligan Water Pitcher Replacement Cartridge (3-Pack)
  • PR-3U Culligan Universal Water Pitcher Replacement Cartridge (3-Pack)
  • RFC-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge
  • RV-500A Culligan Level 1 Inline RV Pre-Tank Exterior Filter
  • RV-600A Culligan Level 1 Inline RV Pre-Tank Exterior Filter
  • RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    $20.99
    MSRP: $35.64
    Save 41%
  • RV-800 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-800 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    $26.99
    MSRP: $38.51
    Save 30%
  • US-600 Culligan Slim Undersink Filter System

    US-600 Culligan Slim Undersink Filter System

    $35.99
    MSRP: $41.39
    Save 13%
  • FXPL3D GE Pitcher Replacement Cartridge (3-Pack)
  • GAC-5 Pentek Replacement Filter Cartridge
  • TS-101L Pentek Lime/Scale Inline Filter

    TS-101L Pentek Lime/Scale Inline Filter

    $11.99
    MSRP: $15.28
    Save 22%
  • K2533-KK Omnipure Inline Filter

    K2533-KK Omnipure Inline Filter

    $13.99
    MSRP: $14.94
    Save 6%
  • FXHTC GE Comparable Whole House Radial Flow Carbon Water Filter by Tier1
  • The WGCHD American Plumber Comparable Whole House Radial Flow Carbon Water Filter by Tier1
  • RFC-BB Pentek Comparable Whole House Carbon Water Filter by Tier1

28 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top