Carbon Filters Restricting Return Air Flow

easy simple tip to seal the space around your furnace filter slot The furnace filter slot is a weak

The 16x25x1 filter normally drops into a slot in the short horizontal run between the air intake downward duct and the furnace itself There

return air box with filter slot Return air filter plenum, 14x20 with end cap, and round 12 collar , hvac duct Brand New $ Free shipping 82 sold

return linear slot diffuser filter slot area Most furnaces do not come with a cover for the filter Since the blower is