The D-D H2 Ocean-Flow range of pumps combines the reliabilty of permanent magnet sycnronous motors and advanced technological materials to give high performance with no wear on moving parts. The Ocean-Flow range is ideal for either external or submerged use thanks to its thermal protection. Easily installed using either standard flexible hose and the hosetail adaptors supplied or can be hard piped directly to the threaded 1\" male suction and 3/4\" female outlet connections. Flow can be adjusted with a flow control device built into the pump outlet removing the requirement for an additional tap or valve. Max Flow = 4000 lph Max head = 3.50 m Wattage = 80 w Dimensions = 115 x 76 x 119mm