Maniar group manufactures vacuum operated suction machine with blow back system or gully man. The company maniar is an iso 9001-2000 certified company. Gully man is an advanced technology for emptying cesspit, cesspool and manhole chambers as well as for cleaning underground drainage, sewer lines. The machine has a simple suction operation and is capable of creating very high degree of air pressure that breaks the silt sedimentation that gets accumulated at the bottom of the cesspool and manhole chambers. The salient features of vacuum operated suction machine with blow back system: