Our range of Standard Basement Pump Stations include: Delta Single V3 Sump (DMS 047)A packaged pump station designed to collect groundwater through the clear opening in the top of the chamber via a Delta cavity membrane system. Delta Dual V3 Sump – 2 x V3 pumps (DMS 164)A packaged pump station designed to collect ground water through the top opening, and/or via the three 110mm inlets, for example, the collection of water from the light wells. Delta Foul V3 Sump (DMS 165)A packaged pump station designed to collect foul water in a basement application where there are other facilities in the property are on gravity drainage.