Submersible sewage pump 2 hp, a branch of single-phase and three-phree-phase drainage pumps,will be your ideal drainage helper. The letter "V" which substitutes for the letters "WQ" indicates the distince design of the fi lter and the broadness of the high efficient area. It can work safely and efficiently at high flux with the feature of compl ete heads. The design is designed to a wide tunnel which helps to convey the long fiber liquid or the solid whose di ameter i s aboi t 15~25mm.