iO HVAC Controls EB-2418 Electronic 24 X 18 Bypass DamperiO HVAC Controls EB 2418 ACTUATORS ARE INSTALLED ON 2ND DIMENSION Electronic 24 x 18 Bypass Damper Height: 24 Width: 18 Total Size: 24 x 18 Actuator Placement on the dimension: 18 Additional Information Item NumberEB 2418 BrandiO HVAC Controls MotorizedYes ShapeRectangular Size (in)24 x 18 Spring ReturnNon Spring Return TypeBypass Dampers