AllergyZone AZFL-100 Filter Lock Air Filter SlotDoor Cover

furnace filter slot cover   Dan furnace filter slot cover

Filter Lock is a patented two-piece seal system designed for use with 1” air filters that eliminates air leakage at the filter slotdoor to improve indoor air

If your filter slot on your furnace is exposed, dust and dirt can bypass your filter and go Whenever I change my furnace filter , it is always bent inward towards the furnace fan I assume that it gets covered

juicy 7 slot Shop FilterLock Filter Slot Seal – Seal Cover for Any 1” Furnace Filter, Up To 25” Long online at best prices at desertcart Filter Lock is a patented two-piece seal system designed for use with 1” air filters that eliminates air leakage at the filter slotdoor to improve indoor air