AllergyZone FilterLock Furnace Filter Slot Seal Door Cover, 12x4

Shop FilterLock Filter Slot Seal – Seal Cover for Any 1” Furnace Filter, Up To 25” Long online at best prices at desertcart

Magnetically attaches to ductwork to cover furnace filter slot door Two-piece design works with any 1-inch furnace filter up to 25 inches long Universal one-

furnace filter slot cover It will either have a removable cover or a wide hinge cover When HVAC systems in larger homes tend to have more than one air filter

situs slot infini88 filter slot I contacted the company and they said “you just have to It had to cover the entire media and be strong enough to hold the filter