iO HVAC Controls MBD-1208-BM Manual Rectangular 12 X 08 Zone Damper-BmiO HVAC Controls MBD 1208 BM ACTUATORS ARE INSTALLED ON 2ND DIMENSION Manual Rectangular 12 x 08 Zone Damper BM Height: 12 Width: 8 Total Size: 12 x 08 Actuator Placement on the dimension: 12 Additional Information Item NumberMBD 1208 BM BrandiO HVAC Controls MotorizedNo ShapeRectangular Size (in)12 x 8 Spring ReturnSpring Return (NC) TypeRectangular Dampers