iO HVAC Controls HD-3410-BM Rectangular 34 X 10 Zone Damper-BmiO HVAC Controls HD 3410 BM ACTUATORS ARE INSTALLED ON 2ND DIMENSION Rectangular 34 x 10 Zone Damper BM Height: 34 Width: 10 Total Size: 34 x 10 Actuator Placement on the dimension: 34 Additional Information Item NumberHD 3410 BM BrandiO HVAC Controls MotorizedYes ShapeRectangular Size (in)34 x 10 Spring ReturnSpring Return (NO) TypeRectangular Dampers