Outside Air Hood; Item Air Hood; Size 12 Inch Length x 12 Inch Depth x 12 Inch Height; Color/Finish Painted Gray; Used On Item HVAC Unit; Airflow Rating 610 CFM at 650 FPM; Includes (1) 17.6 Inch x 15.675 Inch Painted Blankoff Panel, Filter Rack Containing (1) 18 Inch x 24 Inch x 1 Inch Filter, (1) 16 Inch x 24 Inch x 1 Inch Filter