FilterLock Filter Slot Seal – Seal Cover for Any 1” Furn

Search for a slot about one inch wide with a hinged cover or removable cover Where to Find Air Filters in Different Types of HVAC Systems

Is Your Furnace Sucking In Dirty Air? Our Furnace Filter Magnetic Slot Seal is the answer to this question Our air-sealed cover has been specifically

furnace filter slot We're All About Sealing Up Ductwork In the video above we explain a very easy simple tip to seal the space around your furnace filter slot

lucky crumbling slot The FilterLock seals furnace and air conditioning air filter slots to reduce utility bills and improve indoor air quality The Filter Slot Cover eliminates