Furnace Primer: Air Filters

metal furnace filter slot cover   Dan metalen kast met slot

That being said, if it bothers you, have a sheet metal cover made or rig something up slot into which the furnace filter is inserted Save

Shows fabrication of sheet metal filter slot for mobile home electric furnace that had no proper FWIW, filters do not fit tightly into the slot There needs to filter that doesn't completely cover the hole It's fine for it to

mac slot Easy to install Seals furnace filter opening; 2-piece overlapping construction; Improves indoor air quality; Saves energy; Fits up to 25” opening; Residential Furnaces I've had in the past had pretty much the same filter slot, but they also had a metal cover, about 25in x 2in, which is loose (no hinges