... certificate 3:fast delivery,good packing Trailer Engine Water Pump P & H Series self priming centrifugal pumps are designed for economical ... -Belt DrivenSpecification:1.Inlet/Outlet2''(50mm), 3''(75mm), 4''(100mm), 6''(150mm), 8''(200mm), 10''(250mm), 12''(300mm)2.Impeller Diameter158 ...