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

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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.

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  • Aprilaire 201 Comparable Replacement Air Filter by Tier1 (2-Pack)
  • DPFI16X20X4 Tier1 Replacement Air Filter - 16X20X4 (2-Pack)
  • DPFI16X20X4M11 Tier1 Replacement Air Filter - 16X20X4 (2-Pack)
  • DPFI16X20X4M13 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)
  • DPFI16X25X4 Tier1 Replacement Air Filter - 16X25X4 (2-Pack)
  • DPFI16X25X4M11 Tier1 Replacement Air Filter - 16X25X4 (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)
  • DPFI16X26X5M13DEM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M13DLX Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI20X20X4 Tier1 Replacement Air Filter - 20X20X4 (2-Pack)
  • DPFI20X20X4M11 Tier1 Replacement Air Filter - 20X20X4 (2-Pack)
  • DPFI20X21X5DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5DEM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M11 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M11DCM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M11DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M11DEM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M13 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M13DCM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M13DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

Items 1 to 48 of 464 total

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