Adding Filter To Furnace

Filter Lock installs in seconds without any tools The built-in magnets attach Filter Lock to metal duct work and hold it securely in place Use Filter Lock

The case that holds the air filter in place within the HVAC system is typically made of metal or plastic slot in the adjacent ductwork next to the HVAC

metal slot drain It's a lot easier than trying to fit a sheet metal door and provides a lot tighter seal Great solution to cover opened ac filter slot Works Great

metal furnace filter slot cover You could cut a piece of sheet metal to cover the opening and seal that with tape Share