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 ...
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.
Barbara has written professionally for more than two decades. In the past five years, she has specialized in creating real estate and home improvement content. Besides writing for Forbes Home, she ...
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