Amazon.ca Product Description 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. From the Manufacturer 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.