Furnace Slot Sealer

If you can't find a filter slot on your HVAC unit, try looking in the vents that blow air into your rooms Some systems have filters in the return air vents

Return Grill covering for furnace filter If you don't have an existing filter, measure the filter slot or frame in your furnace

furnace filter slot FilterLOCK seals furnace and AC air filter slots up to 25-in Overlapping Filter slot cover Air Filter Accessories · Blue Air Filter Accessories

beste slot app FilterLock satisfies the department of energy recommendation that the furnace filter slot be covered to avoid air leaks; Click here to learn more about Eco