PROCOOL SXT480 / 2U Silent Temp Controlled Rack Mount Fan/Airflow = INTAKE/Home Theater AV Cabinet Cooling Broadcast Network Server Recording Studio 2U 2 rack spaces - 19" x 3.5" x 2.5" Temperature controlled Variable speed Silent Fans Airflow = 56-128 CFM (Intake) Noise = 12-20 dBA 2 Year Warranty - Built by hand in the USA