The Super Max ® 8790 is the most powerful electric cold pressure washer in Daimer's 8700 series. Powered by a 20 H.P. electric motor, the Super Max ® 8790 offers a flow rate of 5 GPM at a pressure of 5000 psi. This portable electric cold pressure washer is ideal for applications that require a portable unit that can handle the most difficult pressure washing tasks. Optional features, such as two gun operation and a wet sandblasting system, allow this unit to be customized for a variety of applications. This unit is ideal for those applications that would benefit from the high power and optional features available, but that do not require the additional cleaning