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Single Panel, 47 in H, 47 in W, 1.75 in D, Louvers are 4.5" T w/ Rubber Gasket, Galvanized Steel
Product Description
Wall-mount backdraft dampers, also called wall shutters, install vertically onto the wall vents of an HVAC system and prevent air from flowing backward. They feature spring-loaded blades that open when the system is running and close when it is not to keep the conditioned air in the occupied space.
