Flooded cellars, pit shafts or basins can be quickly emptied with the suction venturi that is connected to the high-pressure hose of your machine.
 
The water pressure creates a vacuum that sucks up liquids, sludge, sand or even small stones. 
The suction venturi has an efficiency of up to 12 times the amount of water of the HD pump. Even a high pressure unit with a small 40 lpm pump can easily pump over 400 lpm.
The hose has a length of 7 metres and a diameter of 38 mm.
The connection for the high-pressure hose is either 3/8" or 1/2".