iPower Growlight 8 Inch 557 CFM Inline Duct Ventilation Fan with Variable Speed Controller HVAC Exhaust Blower for Grow Tent, Gray, 1-Pack

Multifunction: Use anywhere that would benefit from improved airflow to reduce humidity, clear the air, and lower temperatures in grow rooms, greenhouses, basements, or kitchens. Powerful Air Flow: Heavy hitting blower with a fan speed of 2420 RPM for an airflow of 557 CFM. Moves air through your target location efficiently for optimal ventilation. Variable Speed Controller: We've included a variable speed controller attached to the power cord, so you can adjust it to the desired airflow according to your requirements. Just install the fan, plug it in, and you are set to go! The package includes 1 pack 8 Inch 557 CFM Inline Duct Ventilation Fan with Variable Speed Controller. Power Source Type: Corded-Electric.