360 degree adjustable: 8 spray holes and can adjust the water flow, also to stop the water flow. Large water passages and self-flushing function help to avoid blockages when cleaning. Connection: 1/4 inch threaded connector, 1/4 inch pipe, suitable for 4 mm / 7 mm pipe (inner / outer diameter). 【Be sure to put the connected part in the water outside. 70 ~ 80 ° for 10 seconds before assembly. The pipe will remain tight after cooling. Widely used: Ideal for watering potted plants. For agriculture, lawn and garden drip sprinkler irrigation. drips. Efficient water use: Can keep the uniformity of the water constant even with long laying times or pressure fluctuations When watering, the slow watering rate allows the soil to absorb the water more completely in the root zones of the plants. Included in delivery: approx. 200x micro drippers. Drippers can cause odor nuisance in long-lasting packaging. Please open the air convection and turn it on again after 1-2 days. The odor will disappear