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

Air Conditioner & Furnace Air Filters By Brand

Whether you’re looking for one air conditioner/ furnace filter to replace your old dirty one or to stock up on furnace air filters, Discount Filter Store can help, by providing you with more, for less.  We offer air conditioner filters from some of the industry’s top manufacturers including 3M Filtrete, Bryant, Aprilaire, Honeywell, and more.

Not sure which filter is right for your home?  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 all your air filter questions.

Search by filter size

Clear All
Compare

Items 1 to 48 of 616 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
  • Tier1 500 Air Filter - 16x25x1 (6-Pack)
  • 3M Filtrete 600 Dust & Pollen Air Filter (24x24x1)

    3M Filtrete 600 Dust & Pollen Air Filter (24x24x1)

    $95.99
    MSRP: $119.59
    Save 20%
  • 3M Filtrete 600 Dust & Pollen Air Filter (12x30x1)

    3M Filtrete 600 Dust & Pollen Air Filter (12x30x1)

    $69.99
    MSRP: $119.59
    Save 41%
  • 3M Filtrete 600 Dust & Pollen Air Filter (16x16x1)

    3M Filtrete 600 Dust & Pollen Air Filter (16x16x1)

    $66.99
    MSRP: $94.29
    Save 29%
  • 3M Filtrete 600 Dust & Pollen Air Filter (18x30x1)

    3M Filtrete 600 Dust & Pollen Air Filter (18x30x1)

    $74.99
    MSRP: $111.54
    Save 33%
  • 3M Filtrete 600 Dust & Pollen Air Filter (16x24x1)

    3M Filtrete 600 Dust & Pollen Air Filter (16x24x1)

    $69.99
    MSRP: $91.99
    Save 24%
  • 16x25x01 Antimicrobial Merv 8 Refillable Grid Air Filter by Tier1
  • Aprilaire 201 Comparable Replacement Air Filter by Tier1 (2-Pack)
  • DPFI16X20X4 Tier1 Replacement Air Filter - 16X20X4 (2-Pack)
  • DPFI16X21X5 Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5DCM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5DEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5DEM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M11 Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M11DCM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M11DEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M11DEM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M13 Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M13DCM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M13DEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M13DEM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X26X5DCM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5DEA Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5DEM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5DLX Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M11 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M11DCM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M11DEA Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M11DEM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M11DLX Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M13 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M13DCM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M13DEA Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

Items 1 to 48 of 616 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
Scroll To Top