here is a Gast vacuum pump. It is a model number 5lca-10-m530x. It has oilless operation. It is corrossion resistant. It has a long service free life. It has rugged construction. The unit was never used or installed. It is still mounted on the wood shipping platform. The unit is new and never used. IT runs on 115 volts or 230 volts at 34 horse power.b1