Furnace Filter Magnetic Slot Seals

Easy to install 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

Features Features, Cover up open PCI slots with these standard case vented slot covers, improve heat dissipation efficiency Suitable for home computer

filter slot FilterLock satisfies the department of energy recommendation that the furnace filter slot be covered to avoid air leaks; Click here to learn more about Eco

legend of perseus slot slot and turn at pivoted within said recess and extending over the slot , a filter cylinder fitting said bearing , and the annular gasket , closing