PROCOOL AV-480T Silent AV cabinet cooling fan Automatic Temperature Speed Control fans/Home Entertainment AV Cooling/DIY Fan Specially designed fan blade provides high airflow with silent operation Automatic Temperature controlled variable speed Silent fans for medium to large cabinets or component cooling Airflow at 14-32 CFM per fan (56-128 CFM combined) / Noise= 6-14 dBA per fan (12-20 dBA Combined) Fan, Grill and power supply are included - fast and easy installation 2 Year Warranty - Built by hand in the USA Procool model SXT80 fans are temperature controlled automatic on/off with variable speed, ranging from 1200 RPM to 2400 RPM at full speed Included in all AV Kit Series Fan power supply 100-240VAC-12VDC/1A Works with Procool SXT80 Fans