Vapor-Flo 8575Freight not included. The Vapor Flo 8575 is a powerful electric pressure washer offering a moderate pressure level of 1880 psi and a low flow rate of 1. 0 GPM for tough jobs that do not require excessive water waste. The user selectable hot and cold temperature options allow operators to sue this for both tough stains requiring heat and more delicate jobs that require cold water. This powder coated steel case resists chemical corrosion and chipping,