Introducing the SMT-CRD from Delta Breez, part of their innovative Smart Series. This product is a ceiling radiation damper that is designed to limit the transfer of radiant heat through air inlet/outlet openings in the ceiling membrane. Crafted with a galvanized steel frame and sleeve, the SMT-CRD ensures durability and long-lasting performance. The folded ceramic curtain blade provides precise control of radiant heat, making it an essential component of any ventilation system. Installation is a breeze as the SMT-CRD is designed to be installed in the ceiling membrane for floor/ceiling or roof/ceiling assemblies with a fire resistance rating of up to 3 hours. Upgrade your ventilation system with the SMT-CRD and experience enhanced safety and performance.