The SL line of submersible wastewater pumps from Grundfos 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 series ranges from 1.5 to 15 hp and is available with a SLV/SuperVortex impeller for free passage of solids or a SL1/S tube impeller that accommodates up to 4-inch solids and large flows of raw sewage. The SLV and SL1 pumps are made for permanent submerged installation in demanding applications, including municipal wastewater pumping stations and treatment plants. 800/921-7867; us.grundfos.com.