HidroPoint Cast Iron Sewage Pump, Submersible - 115 V, 6/10 HP, 7000 GPH Rugged cast iron construction with corrosion-resistant, powder-coated epoxy finish maximizes pump life Non-clogging vortex impeller design handles 2" solids; Stainless steel shaft, screws, bolts, and lift handle High efficiency PSC motor with automatic reset thermal overload protection Ball bearings, oil filled, graphite and ceramic mechanical sealed motor for quiet operation and long life Replaceable piggyback tethered float switch for automatic and manual operation