PTGA series Axial Exhaust Fans are designed to provide optimal airflow and efficiency for residential and commercial applications. Each fan housing and impeller are made of high-quality UV resistant ABS material and also includes an innovative blade design that maximizes airflow efficiency. The fans also include a reliable low power motor for continuous operation and extended operating life. PTGA series Axial Exhaust Fans can be directly mounted into the ventilation shaft and can also be connected via a flexible air duct with a clamp. Self-tapping screws can be used for installation into a wall. Also suitable for ceiling mounting. Protection Class: IP34