Underground micro-sprinkler with low water consumption. Ideal for watering vegetable patches and small gardens, even at low pressure. Gear-driven device made from acetal resin. External adjustment of range. Gentle rain effect over a 180? semi- circular area. Micro-sprinkler is connected to the 1/2 inch (13 - 16 mm) main hose by means of the 1/2 inch (15 - 21 mm) threaded 3-way connector (cod. 91072) or 1/2 inch (15 - 21 mm) threaded elbow (cod. 91082).