About This

Note: max ambient temp is 104℉/40℃. Package included: 1 pack 4 inch inline duct fan with speed controller
Efficient fan: powerful blower with a fan speed of 2500 RPM for an air flow of 200 CFM. Moves air through your target location efficiently for optimal ventilation, effectively circulates air for room ventilation and odor purification
Low noise and speed control: durable plastic fan housing and blades for extremely low noise(<30 dB). Have a variable speed controller, you can adjust it to desired airflow level according to your requirement
Easy installation: removable duct ends with locking tabs for quick removal and easy maintenance. Universal mounting bracket for direction of airflow indicating
Multifunctional: suitable for industrial, household and horticulture ventilation applications, help you maintain a healthy grow room. Ideal solution for multi-purpose use in residential and commercial ventilation