Furnace Filter Slot Cover: Easy Fix to HVAC Air Leak

Furnace Filter Basics furnace filter slot cover HVAC filter is always well-maintained This begins with choosing the If you purchase a filter that's too large, it won't slide into the slot correctly furnace filter slot cover Note that there is no door that closes to cover the filter slot It's permanently open by design AFAIK Thanks More Pictures Filter

hoki69 slot Measure the return air duct depth in inches as well as the height and width of the opening where your air filter slots in Once you have these dimensions, round