CenturionPro Variable Speed Motor Kit is an upgrade for CenturionPro trimming machines and allows you to adjust the speed of the motor needed for your harvest. #CenturionPro #SpeedMotorKit #777122-VSMK #HydroponicTown #IndoorGardening https://www.hydroponicstown.com/777122-vsmk-centurionpro-variable-speed-motor-kit-motor-speed-control-original-special-order-item