Grow Tent Fan Speed Controller

This Fan Speed Controller will correctly and precisely adjust the speed of your duct and inline fans. Durable 3-Pole Grounded Plug Construction, No Extra Wires to Deal With. One control switch for 3 settings: Variable Speed, OFF, HIGH, MED & LOW. Built-in grounded control outlet. Suitable for all Duct and inline fans.  NOTE: To avoid the risk of burning out the fan motor, the controller does NOT adjust below 50%. This controller is not suitable for Shaded Pole Motors and Brushless Motor Fans.