High quality material is wear-resistant, lightweight, you can use them for a long time 8-hole adjustable irrigation drippers: there are 8 holes on the top of the drippers, the flow rate can be adjusted or closed by rotating the green cover, can be adapted to the needs of different plants Easy to connect: each irrigation dropper is equipped with a 1/4 inch barbed thread connection, which is suitable for 4 mm / 7 mm (inner / outer diameter) hoses; simply connect the tube to the barb to create your own water supply system Save energy: can be kept constant when is placed for a long time or when the pressure fluctuates; Even irrigation, slow watering speed can make the soil in the root zone of the plant absorb more water, save water by reducing most of the evaporation Wide uses: use irrigation drippers to create an irrigation system to evenly water plants; perfect for watering potted plants, agriculture, lawns, flower beds, gardens, etc. color: green + black Material: plastic Size: