InfiniPower 4 Inch 195 CFM Inline Ventilation Variable Fan Speed Controller, Air Circulation Vent Blower for Grow Tent, Greenhouse, Kitchen, Basement, 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.,4 Mini Fan with Speed Controller: Lightweight, compact fan takes up minimal space, suitable for applications where larger fans just won’t fit. Flanges on both the intake and exhaust end for simple and easy hookup, 5.9 feet length power cord.,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.,Variable Speed Controller: One control switch for 3 settings: HIGH, MID, and LOW. Durable 3-pole grounded plug construction. Built-in grounded control outlet. Package Included: 1 x 4-inch inline fan, 1 x fan speed controller.,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.