Nice setup. Adjustable speed motor with a digital speed controller, high output stainless steel fan outputs 2,200 CFM on high. Single-phase 110 volt hookup with speed control which also accepts feedback for controlling fan speed. Includes stainless steel flexible pipe to go to your forge manifold. The first picture shows the fan unit in Stainless Steel housing as used in the Semi-Conductor processing machine where it was originally installed.