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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Items 1 to 48 of 56 total

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  • DPFI16X21X5M13 Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M13DCM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M13DEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFPC20X25X5M13DYO Tier1 Replacement Air Filter - 20X25X5 (2-Pack)
  • DPFR20X20X5M13DSL Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • Aprilaire 401 16 x 28 x 6 MERV 13 Comparable Air Filter by Tier1 (2-Pack)
  • DPFS16X28X6M13DLX Tier1 Replacement Air Filter - 16X28X6 (2-Pack)
  • DPFS16X28X6M13DWR Tier1 Replacement Air Filter - 16X28X6 (2-Pack)
  • Tier1 brand replacement for Lennox X0585 - 20 x 20 x 5 - MERV 13 (2-Pack)
  • DPFS20X25X6M13 Tier1 Replacement Air Filter - 20X25X6 (2-Pack)
  • DPFR16X25X3DBP Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DBT Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DCR Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DDN Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DGB Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DLX Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DPN Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFR16X25X3DTL Tier1 Replacement Air Filter - 16X25X3 (3-Pack)
  • DPFI20X21X5M13DCM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M13DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M13DEM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFPCC0017M11 Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M11DBP Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M11DBT Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M11DDN Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M11DPN Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0017M11DTL Tier1 Replacement Air Filter - 16x20x4.25 (2-Pack)
  • DPFPCC0021M11 Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M11DBP Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M11DBT Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M11DDN Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M11DPN Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)
  • DPFPCC0021M11DTL Tier1 Replacement Air Filter - 19x20x4.25 (2-Pack)

Items 1 to 48 of 56 total

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