APC by Schneider Electric SYOPT005 Airflow Systems FilterUpgrade your data centers environmental control with the APC SYOPT005 Airflow Systems Filter. This accessory is designed for high performance, right sized, modular, scalable 3 phase UPS systems, spanning 10 100 kW at 208V, 100 500 kW at 480V, and 16 500 kW at 400V. Engineered to work seamlessly within APC Airflow Systems, the SYOPT005 helps keep critical cooling paths clear and protected, ensuring stable UPS operation in demanding data center