Irrigation nozzle kit: a total of 150, 90/180/360 nozzles, 50 each. Different colors: blue-90; green-180; red-360 Size: 21mm, the miniature design does not take up plant growth space, more efficient use of water mist to irrigate plants Material: The micro nozzle is made of high-quality plastic, anti-aging and high temperature resistance. Advantages: the latest design, water saving up to 70%, using fine water mist to irrigate plants Product Name: Refraction Micro Nozzle Material: POM Refraction angle: 90/180/360 degrees Working pressure: 1.5-3.5 kg water pressure Range: 0.9-1.1 meters Flow rate: 30-60 liters/hour Quantity: 150*Irrigation nozzles Note: Other things are not included. The colors are based on the first picture. Other pictures only show the effect.Due to the differences between different monitors, the picture may not reflect the actual color of the item. We guarantee that the style is the same as the picture. Due to manual measurement. Please allow deviation. Thanks