Barnes PGPP2022 2HP 3450 RPM Cast Iron Grinder Manual Sewage Pump Recessed vortex impeller design easily handles finely ground solids generated by the grinder Exclusive Slicerator eliminates jams by applying the full torque of the motor on one small section of the cutter ring at a time Heavy-duty 2 hp motor with oil lubricated upper and lower ball bearing standard for minimal wear Large pump end bearing and short shaft overhang significantly extends mechanical seal life by reducing shaft deflection Reliable Solid Start Switch provides longer life-cycle and improves mean time between service calls