The GE GDF520PGJWW is a Built-In Dishwasher, featuring GE's most advanced wash system. Consistently clean and dry dishes are ensured with GEs most advanced wash system, featuring 65% more wash power. Wash power delivered to each rack. Compared to previous GE models. To ensure consistently clean items, this dishwasher is equipped with the Piranha hard food disposer. This stainless steel blade rotates at 3,600 RPM to pulverize food particles and helps to prevent large particles from clogging the wash arms.