iPower 4 Inch Duct Inline Fan Upgrade HVAC Exhaust Blower with Variable Speed Controller for Grow Tent Ventilation, Black

Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control, such as bathroom, washroom, store, office, garden and etc

Upgraded Fan: Size: 4inch; fan speed: 2500 RPM; air flow: 130 CFM; bearings: double ball. 110V standard household plug; Pre-wired 5.9 feet power cord. Max Ambient Temp is 140℉/ 60℃
Speed controller: Three speed switches enable fan to run at low, medium and high speed. Durable 3-pole grounded plug need no extra wires to deal with. You can correctly and precisely adjust the airflow level according to your requirement
Easy installation: Feature with lightweight and compact enough to be installed in any angel and little availvable areas. Simply remove the duct ends with locking tabs for quick installation and easy maintanance
Mixed flow design: Compared with axial and centrifugal fans, mixed flow fan has large air volume and high static pressure for ventilation and purification. Durable plastic housing and blades revolve smoothly and powerfully and cut noise output to 35 dB
Safe and versatile applications : Fully enclosed junction box, waterproof and dustproof design ensures safe usage and long service life in industrial, household and horticulture ventilation applications. Such as bathroom, washroom, office, grow tent