Rugged and dependable heavy duty cast iron pump with powder coat finish. Liberty's "workhorse" sump pump features a unique one-piece cast iron body, quick-disconnect power cord and three different switch options - including our vertical magnetic float design (VMF) for smaller pits (model 257). With a durable, epoxy powder coat finish and vortex style impeller, Liberty's 250 series pump is the perfect choice for low-head effluent pumping or basement de-watering.