FilterLock Furnace Filter Slot Seal Magnetic Seal Cover for Any 1 Furnace Filter, Up To 25 Long, Reduce HVAC Air Leaks, Green

Enhance Your HVAC Efficiency with FilterLock FilterLock is a patented magnetic sealing mechanism created to cover your furnace filter slot, blocking unfiltered air from entering your HVAC system. Improve indoor air quality, lower energy usage, and boost overall system performance with this simple-to-install, universal solution.
FilterLock: The Intelligent Choice for Cleaner Air and Energy Conservation This advanced magnetic seal is engineered to maximize your HVAC system's performance. This patented, universal solution covers your furnace filter slot, stopping unfiltered air from entering your heating and cooling system. Simple to install and compatible with any 1-inch air filter up to 25 inches long, it aids in improving indoor air quality and lowering energy consumption. Notice the improvement of a correctly sealed HVAC system the professional selection for better system integrity and cleaner, more efficient home comfort.
Features: Covers furnace filter slot/door Blocks allergens and other contaminants from entering the home, including harmful gases like carbon monoxide and radon Improves indoor air quality Lowers energy consumption Magnetically attaches to the ductwork Two-piece design functions with any 1 filter up to 25 long Universal one size fits all Reusable indefinitely Easy to install