Employing thermally insulated and broken aluminum airfoil blades and thermally broken aluminum channel frame, TICD Series eliminate transfer of cold or heat and reduce condensation while providing air control in medium- to high-pressure and -velocity applications. Products feature AMCA Certified Leakage of Class 1 (12.6 cfm/ft² @ 10 in. wg at 60 in. wide) and Class 1A (3 cfm/ft² @ 1 in. wg at 60 in. wide) and comply with International Energy Conservation Code.