Features: The material is high-strength anti-aging engineering plastic, and the lifting spring is made of stainless steel spring. The inside of the lifting column is equipped with a filter net, and the nozzle and the filter net are easily replaced, and the full circle and the fan-shaped spray are integrated. High Efficiency adjustable 25° to 360° spray pattern nozzle ideal for watering odd-shaped areas. Easy to install, and can be maintained good in poor water quality. Buried sprinklers, the speed of rotation is slow, spray distance is far away. No need to replace the nozzles with tools. Easy to clean, abrasive bearing. Specification: Condition:100% Brand NewMaterial: PlasticColor: As shown in the pictureSize: Height: Approx.5.4cm / 2.1inInstallation Method: Internal thread connectionWorking Temperature: Normal temperatureWorking Pressure: Atmospheric pressure 1 - 4kgMedium: WaterWater Pressure: 1-4 kgFlow Rate: 0.5-1.5 cubic meters / hourRange: 3-10mScope of Application: Gardens, lawns. Package List: 4 x Buried Sprinklers Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.