The ORION FANS part OA254AP-11-1TB is a high-performance AC fan measuring 254mm (10 inches) and operating at 115V with ball bearings. This fan is designed to provide effective cooling and has a max airflow of 547 cubic feet per minute (cfm). Ideal for various applications, it ensures optimal ventilation and prevents overheating in electronic devices and machinery. With its reliable performance and durable construction, the OA254AP-11-1TB is a trusted choice for keeping your equipment cool and running efficiently.