A professional quality pop-up sprinkler for underground irrigation systems in home gardens. The nozzle has a special design that guarantees the utmost uniformity in irrigation over a 180 area with minimum water consumption. Equipped with a jet range adjustment screw with a hexagonal insert, return spring in resistant, waterproof stainless steel, high filtering power filter, self-lubricating gear and no-runoff rubber valve with antifreeze device. shock-proof and weather resistant,adjustable jet range,washable filter,simple and perfectly watertight Inlet thread: ,Water flow: adjustable,Maximum covered area: 31,8 m ,Maximum jet width (diameter): r 4,5,Water flow: 7,1 l/min,Working angle: 180 ,Height from ground: 4