Product: Model SMD-401EF
Description: The Model SMD-401EF smoke damper features an extruded aluminum frame and airfoil blades. It is available in sizes up to 192 inches wide by 120 inches high with a wide range of actuators in modulating or two-position operation. The smoke damper is UL 555S Class I leakage-certified and rated for velocities up to 3,000 feet per minute (fpm) for horizontal and vertical installations.
Contact: 715-359-6171; www.greenheck.com;