4 Inch Duct Inline Ventilation Fan Air Circulation Vent,Black

High effective: Transfer air to your target location in a quick and reasonably quiet way, with a fan speed of 2500 RPM for an air flow of 195 CFM Low noise design: Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB Mini construction: Lightweight, compact fan takes up minimal space, suitable for applications where larger fans just won’t fit Multifunction: Perfect for grow tents, greenhouses, hydroponics, kitchens, bathrooms, basements, locker rooms, garage to reduce humidity, clear the air and lower temperatures in grow rooms Easy to install: Removable duct ends with locking tabs for easy removal and maintenance, 5.9 feet length power cord