Features:-Durable plastic fan housing and blades for extremely low noise.-Removable duct ends with locking tabs for quick removal and easy maintenance.Increase airflow to help move chemicals fumes, smells and odors out of your space.-Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control.-Max Ambient Temp is 45~70℃(122~158℉)-Protection Grade: IPX2