360 degree adjustable: 8 spray holes can adjust the water flow and reduce the water flow. The role of large water channels and self-cleaning helps to avoid blockage. Connection: 1/4 inch groove thread connector, 1/4 inch pipe, suitable for 4mm/7mm pipe (inner/outer diameter). [Make sure the connected parts are placed in 70-80°C water for 10 seconds before assembly. After cooling, the pipe remains tight. Widely used: The ideal choice, suitable for pot irrigation, agriculture, lawn, garden drip irrigation. p> Efficient water use: it can be kept constant for a long period of time through laying or pressure fluctuations, uniform irrigation and slow irrigation rate, so that the soil can fully absorb the water in the root area of the plant. The promotion includes: about 200 times of the micro tunnel. In long-term packaging, getters may cause a certain odor. Please open and install the air convection within 1-2 days. Feature: Good sealing and durability Automatic cleaning, water start