PTF-PZR series Roof-Mounted Exhaust Fans are easy to install and maintain and are designed to provide high efficiency output with optimal airflow and pressure during operation. Each fan is made of high-strength double insulation environmental material resulting in low energy consumption and low noise. It can operate from -20C to 60C and includes thermal protection and dual ball bearings for long-life operation up to 50,000 hours. The fan cowl is made of high grade stainless steel that is UV and water resistant. The two-speed motor can also be customized for three-speed or variable speed operation and the fans can also be customized with a timer, temperature sensor, humidity sensor, or other functions. Protection Class: IP44
