I was changing furnace filter The old one was stuck and

Cover furnace filter slotdoor; Block allergens and other contaminants from Used to cover the gaps on furnace filter slots The magnetic strips help

AllergyZone 1 In FilterLock Furnace Filter Slot For HVAC Filters air filter up to 25 in ENERGY STAR identified air leakage at the furnace and filter

metal slot wallet Items Mentioned in Video: Furnace Filter Slot Magnetic Cover: 2JQAtbU

metal furnace filter slot cover Could I cover the gap by laying say a 5 x 25 inch piece of sheet metal under the edge of the 25 x 25 x 2 inch filter to cover the gap (or would