Harbor Freight Tools Predator 4400 psi Commercial Duty Gas Pressure Washer is designed for the professional with a powerful 13-hp engine and a professional-grade Annovi Reverberi triplex pump.

A combination of pressure, measured in pounds per square inch (psi), and flow, measured in gallons per minute (gpm). Higher pressure results in better cleaning of a given surface; coupled with a ...

Unlike most of Harbor Freight's other brands, Predator's tools are a significant investment. Most retail for hundreds of dollars, and so are a far cry from the cheap DIY tools that most buyers will ...