Growneer Variable Vent Fan Speed Controller Inline Duct Fan Speed Adjuster;

Our fan speed controller was designed especially for centrifugal fans.
This means it will help prevent damage to fan motors, ensuring longer life.
It will correctly and precisely adjust the speed of centrifugal fans without causing the motor to hum.
These controllers are more sensitive than any on the market, and are compact and built to last.

Item Features:

Knob control with 4 options: Off, Low, Medium and High.
Built-in grounded control outlet, no messy wires!
Plug-and-play for easy installation.

Package Includes:

1 x Fan Speed Controller
1 x Instructions Manual

Specification:

Dimensions: 2.9 x 2 x 1.3 inch
Current Capacity: 3 amps
Voltage Capacity: 120 AC
Watts Max: 350W