AllergyZone FilterLock Furnace Filter Slot Seal – Magnetic Seal Cover for Any 1” Furnace Filter, Up To 25” Long, Reduce HVAC Air Leaks, Green
AllergyZone FilterLock Furnace Filter Slot Seal – Magnetic Seal Cover for Any 1” Furnace Filter, Up To 25” Long, Reduce HVAC Air Leaks, Green
$9.99 $10.79
FilterLock is an easy to install, patented two-piece magnetic filter seal system designed for use with 1-inch furnace filters. FilterLock eliminates air leakage in your HVAC system to help reduce utility bills and save energy. FilterLock also improves indoor air quality by blocking allergens, dust, and gases such as carbon monoxide from entering your home. FilterLock filter seals magnetically attach to ductwork to cover any air leaks on the furnace filter slot door. This two-piece design works with any 1-inch furnace filter up to 25 inches long. Universal one-size-fits-all. Approximately 25 x 4.8 x 0.1 inches when both pieces are installed.