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 ...

For example, while Portland is a good pick for someone looking for a simple option, the Predator brand is for people who want the extra strength a pressure washer can provide. Budget is a big ...

No matter how old your pressure washer may be, the Predator engine's simple design ... to stand up to repeated wear and punishment, with reviews attesting to its effectiveness for such applications.