A903-F2B-AIR Cisco Front To Back AirFlow Defletor for ASR 903 Router

The A903-F2B-AIR is a Cisco front‑to‑back airflow deflector specifically engineered for the ASR 903 router. This accessory is designed to guide and manage the airflow within the device, ensuring that heat is efficiently expelled from the front of the chassis and directed toward the rear exhaust. By maintaining proper airflow patterns, the deflector helps preserve optimal operating temperatures and supports reliable performance for the router’s high‑throughput applications. The product is compatible with the ASR 903 model and is part of Cisco’s suite of environmental management components for enterprise networking equipment.