Furnace Filter Slot Cover [Easy fix to HVAC Air Leak with

Why Does Air Filter Size Matter? furnace filter slot filter slotdoor on your heating and air conditioning system FilterLock® works with any 1 air filter Eliminating air leakage at the filter slot furnace filter slot cover filter housing slot, or refer to your furnace instructions manual for more information Measure furnace and ac filter Measure HVAC filter housing Measure

bos slot 88 Learn why an open furnace filter slot is detrimental to the health of your HVAC system and your family, and how to easily fix it