Features: 【360 Degree Adjustable】: 8 spray hole and can adjust water flow rate , also for cutting off the water flow.Large water passages and self-flushing action help prevent clogging 【Connection】: 1/4-inch barb thread connection, 1/4'' hose, Suitable for 4mm/7mm(Inner/ Outer diameter) tube 【Make sure you put the connected part into the 70~80°water for 10seconds before assmbling. After it cools down the tube will stay tight.】 【Widely used】: Great for watering potted plants，For agriculture, lawn, garden sprinkler irrigation drip .