Introducing the A903-FAN-E, a Cisco fan tray designed specifically for ASR 900 series routers. This component combines high‑performance airflow with an integrated filter, ensuring efficient cooling while protecting internal electronics from dust and contaminants. The tray is engineered to fit seamlessly into the ASR 900 chassis, maintaining the device’s thermal balance and prolonging component life. With its robust construction and reliable filtration, the A903-FAN-E supports continuous operation in demanding network environments, helping to preserve optimal performance and reliability for Cisco’s flagship edge routers.