The SL1 submersible wastewater pump from Grundfos Pumps is designed to handle raw, unscreened sewage, effluent, large volumes of surface water and process water in municipal, utility and industrial applications. The solids-handling pump, in motor ranges from 1.5 to 15 hp, has a tube impeller to accommodate solids up to 4 inches, and is designed particularly for large flows of raw sewage. It is designed for permanent submerged installation in demanding applications such as municipal wastewater, network pumping stations, wastewater treatment plants, public buildings, housing projects and other commercial applications. The series is designed with IE3 premium efficiency motor components, quick-removable pump housing clamps, cartridge seals, quick-removable plug-in cord, and smooth exterior components for high efficiency performance. 800/921-7867; us.grundfos.com.