Specification: each pack contains 150 green irrigation drippers for you to build a small water supply system; high-quality plastic is wear-resistant, durable, lightweight, you can use them for a long time<br> Adjustable 8-hole irrigation drippers: there are 8 holes on the top of the drippers, the water flow can be adjusted or closed by rotating the black cover, can be adapted to the water needs of different plants<br> 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<br> Save water: it can be kept 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 more water, save water by reducing most evaporation<br> 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.<br> Colour:black<br> Material:plastic<br> Package Contents:<br> 150 * Irrigation drippers<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.