Pneumatic Rubber Stopper can save the working time with it's fast inflation and deflation. Also you can safely work at a distance from a working area with it's features. You can find the exact leak point with the mater-remarked rope to be connected to a ring on the top of the rubber stopper by checking the pipe from the entrance to exit in detail. It also use to prevent the pipe of various kinds of construction from the inflow the earth and sand and foreign materials caused by a heavy rain and flood. It also provides the quality of construction and cost effective by complete sealing from the entrance to the exit of the pipe or manhole so that you can use it as preventive measure in the waste/water pipe of safety appliances.