Vapor-Flo 7875Freight not included. The Vapor Flo 7875 is an all electric 50 Hz pressure washer machine designed for challenging industrial cleaning applications. A high pressure level of 2030 psi (140 bar) and a flow rate of 5. 3 LPM make this powerful machine capable of removing grease, rust, and other hard to remove stains. Hot and cold temperature options allow the user to fluctuate temperatures to suit specific applications, with a maximum temperature of 79.