FilterLock Filter Slot Seal Seal Cover For Any 1” Furnace Filter

FilterLock Filter Slot Seal Seal Cover For Any 1” Furnace Filter metal furnace filter slot cover 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 furnace while you change the filter, it could damage your system Recommended Products

metal slot I think I'll make a similar cover for my furnace filter slot I see the potential for better return air flow upstairs by restricting leakage

metal furnace filter slot cover FR20253-2SLOT BELVENT FILTER RACK 20 X 25 W 2 SLOT 2 FILTERS MFC2025 COVER FOR 3X20 FILTER RACK MAGNET MFC2025 COVER MFC2025 filter's cardboard frame and the metal filter holder When the fan is Note that there is no door that closes to cover the filter slot