The Shark Series Model 810 Progressing Cavity Grinder Pump is designed to pump raw sewage in sewage ejector applications when pumping to pressurized sewer main. Solids are cut into a slurry using the industry proven ''scissor like'' Tri-Slice cutter technology. This includes a rotating cutter cutting against the stationary cutter plate reducing solids down to 1/8''.The E810, should use a control panel and control switches allowing it to turn the pump on when called upon. The Model 810 is constructed with a cast iron body, enabling it to withstand the most demanding sewage ejector applications. The pump's identification tag, handle, and hardware are made of high-quality stainless steel preventing rust and corrosion. Everything about the pump is designed in a way that allows it to hold up in the toughest sewage conditions.Every pump is submerged in water and tested to its published performance curve, ensuring it meets your expectations and delivers peace of mind right out of the box.