Designed for demanding situations, Grundfos SE and SL pumps ensure optimized performance with high wire-to-water efficiency. The SL range is for submerged installation and the SE range for dry and submerged installation. They are available with an S-tube impeller designed to meet today’s wastewater challenges, such as dry solids content variation and water use fluctuation. The S-tube impeller offers hydraulic efficiency without compromising free passage. 630/236-5500; us.grundfos.com.