【Adjustable Irrigation Spotter】: 100pcs adjustable flow irrigation drippers. You can adjust the amount of water by rotating the outer cap to open or block the holes, saving water resources and money. 【Design】: The irrigation dripper connects to 4mm/7mm or 0.16"/0.28" (ID/OD) hoses, ideal for automatic drip and sprinkler irrigation systems for flower beds, plant beds, vegetable gardens, herb gardens, lawns, greenhouses, flower pots. 【High Quality】 Made of high quality materials. Light weight, acid and alkali resistance, corrosion resistance, low temperature resistance, no peculiar smell. The bottom of the dripper is pointed and easy to insert into the soil (13cm). 【Widely Used】: Drip irrigation emitters can be used in low pressure situations. Suitable for pots, tubs, ground covers, landscape gardens, flower beds, vegetable gardens, greenhouses, orchards, lawns, self-planting, watering herb gardens, etc. Note: The data are all measured manually. Please allow an error of 1-3 cm. Due to