The Complete Vacuum Assisted Bypass Pump is our most versatile pump ever. The By-pass pump is ideally suited for sewer bypass operations, open sumping of flood areas, basins, ponds, excavations, and wellpoint dewatering with its high capacity vacuum pump. Features include 3" solids handling, high suction lift capabilities, 24 hours fuel cell operating time, run-dry seal, and optional auto start/stop control panel. Specify 6" or 8" suction when ordering.