Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s)

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.

35 Item(s)

Grid  List 

Set Descending Direction
  • EPM-20BB Pentek Comparable Whole House Water Filter by Tier1
  • Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    $23.99 Retail Price:  $25.29
  • W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • 801-20 Harmsco Replacement Filter Cartridge

    801-20 Harmsco Replacement Filter Cartridge

    $7.99 Retail Price:  $11.49
  • CB-25-2010 Hydronix Replacement Filter Cartridge

    CB-25-2010 Hydronix Replacement Filter Cartridge

    $14.99 Retail Price:  $17.34
  • FLOPLUS-20BB Pentek Replacement Filter Cartridge

    FLOPLUS-20BB Pentek Replacement Filter Cartridge

    $61.99 Retail Price:  $80.49
  • NCP-10 Pentek Undersink Filter Replacement Cartridge

    NCP-10 Pentek Undersink Filter Replacement Cartridge

    $9.99 Retail Price:  $11.95
  • PCC218 Pentek Replacement Filter Cartridge

    PCC218 Pentek Replacement Filter Cartridge

    $23.99 Retail Price:  $26.44
  • SLIM-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing
  • SLIM-38-PR5 Pentek Whole House Slim 5 inch Filter Housing
  • SLIM-CLEAR-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing
  • 158110 Pentek Filter Housing - Clear

    158110 Pentek Filter Housing - Clear

    $18.99 Retail Price:  $22.41
  • CBC20-BB Pentek Replacement Filter Cartridge

    CBC20-BB Pentek Replacement Filter Cartridge

    $70.99 Retail Price:  $109.99
  • CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    $42.99 Retail Price:  $52.89
  • CRFC-BB Pentek Chloramine Reduction Water Filter

    CRFC-BB Pentek Chloramine Reduction Water Filter

    $61.79 Retail Price:  $73.36
  • HDG-P117 Hydronix Replacement Water Filter
  • KDF55-10 Tier1 Water Filter

    KDF55-10 Tier1 Water Filter

    $23.99 Retail Price:  $27.34
  • Pentek 158599 Clear 3G Slim Line Filter Housing

    Pentek 158599 Clear 3G Slim Line Filter Housing

    $22.99 Retail Price:  $28.99
  • Pentek 158637 Clear 3G Slim Line Filter Housing with Pressure Relief
  • Pentek 158214 Clear Traditional Slim Line Filter Housing

    Pentek 158214 Clear Traditional Slim Line Filter Housing

    $27.99 Retail Price:  $37.99
  • P1 Pentek Comparable Whole House Sediment Filter by Tier1 (2-Pack)
  • SPC-25-1001 Hydronix Pleated Sediment Filter 6-Pack
  • SPC-25-1001 Hydronix Pleated Sediment Filter

    SPC-25-1001 Hydronix Pleated Sediment Water Filter

    As Low As $6.00 Per Filter

  • EP-20BB Pentek Replacement Water Filter

    EP-20BB Pentek Replacement Filter Cartridge

    As Low As $40.50 Per Filter

  • EPM-20BB Pentek Whole House Filter Cartridge
  • GAC20-BB Pentek Whole House Water Filter
  • Pentek NCP-20 Whole House Water Filter Replacement Cartridge

    NCP-20 Pentek Whole House Filter Replacement Cartridge

    As Low As $13.00 Per Filter

  • P1 Pentek 10 x 2.5-inch Whole House Sediment Water Filter Replacement
  • P5-10 Tier1 Sediment Water Filter

    P5-10 Tier1 Sediment Water Filter

    As Low As $3.00 Per Filter

  • The Pentek C1 comparable Whole House Carbon Water Filter by Tier1
  • P20 Pentek 10 x 2.5-inch Comparable Whole House Sediment Water Filter
  • Pentek C1-20 Carbon Water Filter Replacement Cartridge

    C1-20 Pentek Replacement Filter Cartridge

    As Low As $10.80 Per Filter

  • PS5-10C Pentek Comparable Sediment Water Filter by Tier1

35 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top