Adding Filter To Furnace

The AC Filter Slot Cover seems to have received positive feedback from customers They appreciated the ease of use compared to fitting a sheet metal door and

filter slotdoor on your heating and air conditioning system metal surfaces to be concerned with Built-in magnets hold FilterLock® firmly in

metal furnace filter slot cover Furnace Filter Slot Cover [Easy fix to HVAC Air Leak with One Hour Heating and Air

metal slot Two-piece design works with any 1” furnace filter up to 25” long Additional Features: Reusable, easy on easy off design for long-term use Seal measures