Clarus Spider Valve pressure manifoldThe Spider Valve pressure manifold from Clarus Environmental is designed for odd-shaped lots and can be configured to properly split flows to laterals of different lengths. 800/928-7867; www.clarusenvironmental.com.Grundfos S-tube impellerThe S-tube impeller from Grundfos Pumps features no edges, dead zones or cutting functions that get worn over time, as well as a labyrinth and sealing system for trouble-free operation. The impeller is incorporated in an expanded range of SE and SL wastewater pumps. 913/227-3400; www.grundfos.us. O
