The inside of the lifting column is equipped with a filter net. The nozzle and the filter net are easily replaced. Full circle and fan spray are built in. 25-360 adjustable high efficiency nozzle, ideal for watering irregular areas. Inground sprinklers, the speed rotation is slow, the spray distance is far. No need to replace nozzles with tools. Easy to clean, abrasion-resistant bearing. Easy to install, the flow can be maintained in poor quality water. The material used is high-strength anti-aging engineering plastic, and the lifting spring is made of stainless steel spring. Product Product Specification: Condition: 100% Brand New Material: Plastic Color: As Shown in the Picture Size: Height: About 5.4cm Installation method: internal thread connection Working temperature: normal temperature Working pressure: Atmospheric pressure 1 - 4 kg Medium: Water Water pressure: 1-4 kg Flow rate: 0.5-1.5 cubic meters / hour Range: 3-10m Field of application: gardens, lawns. Package list: 4 buried sprinklers