About This

Low noise and speed control: Durable plastic fan housing, revolving Smoothly and powerfully blades for extremely low noise(<30 dB). With a variable speed controller, you can adjust it to desired airflow level according to your requirement
Energy-efficient ventilation fan: Combining the features and benefits of axial and centrifugal fan. iPower powerful blower with a fan speed of 2500 RPM can create an air flow of 200 CFM; Effectively circulating air, ventilation and odor purification
Easy installation: removable duct ends with locking tabs for quick removal and easy maintenance. Universal mounting bracket for direction of airflow indicating
Versatile: Help you maintain a healthy grow room by quietly and efficiently moving large volumes of air throughout your ventilation system. Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control
Package included: 1 pack 4 inch inline duct fan with speed controller. Note: max ambient temp is 104℉/40℃.