View Single Post
  #2   Report Post  
RP
 
Posts: n/a
Default 2" Furnace FIlter



wrote:
My furnace uses a 2" thick filter that I can't seem to find at any of
the typical retail outlets. So can I use two 1" filters sandwiched
back to back instead?


Sure. Not only that, but you can use one 1" filter.

hvacrmedic