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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  • DPFI16X20X4M11 Tier1 Replacement Air Filter - 16X20X4 (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)
  • DPFI16X25X4M11 Tier1 Replacement Air Filter - 16X25X4 (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)
  • DPFI20X20X4M11 Tier1 Replacement Air Filter - 20X20X4 (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)
  • DPFI20X26X5M11 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5M11DCM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5M11DEA Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5M11DEM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5M11DLX Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFL16X26X5M11 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFL20X21X5M11 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFL20X26X5M11 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFPC16X25X5M11 Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DGB Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DPN Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DTL Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC20X20X5M11DBP Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5M11DBT Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5M11DCL Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5M11DPN Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • Totaline P102-2020 Comparable 20 x 20 x 5 MERV 11 Air Filter by Tier1 (2-Pack)
  • DPFPC20X20X5M11DYO Tier1 Replacement Air Filter - 20X20X5 (2-Pack)

Items 1 to 48 of 154 total

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