Easy to connect: each irrigation dropper is equipped with a 1/4 inch barb thread connection, which is suitable for 4mm/7mm (inside/outside diameter) pipes; simply connect the tube to the barb to create your own small water supply system Adjustable 8-hole irrigation drippers: there are 8 holes on the top of the drippers, the water can be adjusted or closed by rotating the black cover, can be adapted to the water needs of different plants Save water: it can be constant when placed for a long time or when the pressure fluctuates; even irrigation, slow watering speed can make the soil in the root area of the plant to absorb , save water by reducing most evaporation Specification: each pack contains 150 green irrigation drippers to build a small water supply system; high-quality plastic is wear-, , , you can use them for a long time Wide uses: use irrigation drippers to create an irrigation system to evenly water the plants; perfect for watering potted plants, agriculture, lawns, flower beds, gardens, etc., Manufacturer: Akfldms