The Everbilt 1/2 HP submersible pump is constructed of heavy-duty cast iron and features a PSC motor for energy efficiency and savings. The fasteners for the HDS50 are corrosion resistant stainless steel and the pump is protected by a powder coated epoxy finish. The Everbilt HDS50 is engineered to pass 1/2 in. solids and features a vortex non-clogging impeller making it an ideal pump for sump, effluent and dewatering applications such as basement sumps, mound systems and septic tanks.