The ORION FANS part OA172AP-11-1TB is an AC fan measuring 172mm in diameter and 51mm in height. This fan operates on a 115V power supply and is designed with ball bearings for increased durability and longevity. With a powerful airflow of 235 cubic feet per minute (cfm), this fan is capable of efficiently cooling various electronic and industrial applications. It is a reliable and high-performance cooling solution suitable for a wide range of environments.