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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  • 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)
  • DPFI16X25X4 Tier1 Replacement Air Filter - 16X25X4 (2-Pack)
  • DPFI16X26X5 Tier1 Replacement Air Filter - 16X26X5 (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)
  • DPFI20X20X4 Tier1 Replacement Air Filter - 20X20X4 (2-Pack)
  • DPFI20X21X5 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5DCM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X26X5 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5DCM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5DEA Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5DEM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5DLX Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFL16X26X5 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFL20X21X5 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFL20X26X5 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFPC16X25X5 Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5DGB Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5DPN Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5DTL Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • Tier1 brand replacement for DBP MU2020 / M2-1056 - 20 x 20 x 5 - MERV 8 (2-Pack)
  • DPFPC20X20X5DBT Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5DCL Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5DPN Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5DTL Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5DYO Tier1 Replacement Air Filter - 20X20X5 (2-Pack)

Items 1 to 48 of 160 total

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