iPower 4 Inch Inline Duct Fan, 195 CFM Ventilation Fan, Exhaust HVAC Vent Blower for Hydroponics, Grow Tents, Black

Powerful & Effective Airflow: 4 inch inline duct fan powerful blower with a fan speed of 2500 RPM, inline duct fan can create an air flow of 195 CFM. It can not only circulate fresh air, but also control proper humidity, temperature and air quality,Quiet & Comfortable Operation: 4 inch duct fan blades made with high quality components for smooth operation. Fitted with a flow deflector that concentrates the fan stream to reduce sound output to just 30 dB, which ensures won't disturb your life,Unique Design: 4 inch inline fan designs mini construction, lightweight, portable and compact fan takes up minimal space, suitable for applications where larger fans just won't fit,Easy to Install: Simply affix the exhaust and intake mounting flange together with locking tabs, no tools or screws required, 5.9 feet length power cord included. The housing, impeller and blades are easy to detach for maintenance and cleaning,Wide Applications: Inline booster duct fan can clean and freshen the air, improve airflow to reduce humidity, block odors, and lower temperatures in grow tents, grow rooms, greenhouses, hydroponics, basements, kitchens, bathrooms, basement workshops, etc