... , 2. High head &larger capacity, 3. Strong anti-corrosive Submersible water pump AT250QJTechnical parameter:The set Max. outer dimeter:234mm.Outlet diameter ... center distance: 180mm.Supplys:One outler companion flange,One gasket seal,One instruction ,One guarantee card,One cerificate of approval ,One ... proposals about pipe networl, tank and installation. Stainless steel Submersible Water Pump