iO HVAC Controls CD-0808 Carrier 8" X 8" Rectangular Zone DamperiO HVAC Controls CD 0808 ACTUATORS ARE INSTALLED ON 2ND DIMENSION Carrier 8" x 8" Rectangular Zone Damper Height: 8 Width: 8 Total Size: 8 x 8 Actuator Placement on the dimension: 8 Additional Information Item NumberCD 0808 BrandiO HVAC Controls MotorizedYes ShapeRectangular Size (in)8 x 8 Spring ReturnNon Spring Return TypeRectangular Dampers