Adjustable Irrigation Dripper NozzleSuitable for 4mm ID tube. Flow rate: 0-70L/H. Working pressure: 2-4 kg. You will get 200pcs drip emitter, including 50pcs red, 50pcs blue, 50pcs green and 50pcs black. Sufficient quantity and variety of colors for your daily use and replacement at any time. Drip Irrigation SprinklerThe drip irrigation sprinklers are made of durable and high quality plastic. Each drip emitter has 8 spray holes, which can adjust the water flow for drip irrigation or 360 degree spray irrigation. Easy to UseThe rotation of the cap Allows flow and diameter to be adjusted downwards with the ratchet mechanism on the cap and notch on the base to fully close. These drip irrigation sprinklers can adjust the flow, turn it left to close and turn it right to adjust the flow. Stability And ConvenienceThe drippers can be kept constant and even irrigated when placed for a long time or when the pressure fluctuates. If you are on a business trip or on a trip, this product could help you water your plant automatically every day. Help you save resources, save time, save money and save water! Wide ApplicationsPlease soften the hose with hot water to get a better connection before use. Suitable for potted plants, gardens, patios, lawns, flower beds, decks or other agricultural irrigation. Also suitable for home gardening, agricultural production, public green areas, garden production.