The Ruck FFH 315 supply air handling unit is designed for compact ceiling or wall-mounted applications. It features a frameless, double-wall galvanized steel housing with insulation for durability and thermal efficiency. Constant airflow is provided by EC fans with integrated controls. The unit includes an integrated 9kW electric heater with a safety temperature limiter. Sensor inputs, Modbus connectivity, and a 0 – 10V output allow control of an external extract fan. An integrated M5 grade outdoor air filter ensures clean supply air, making this unit suitable for a range of ventilation applications.