Narrow-angle full cone spray pattern, leaving it round fight, spray angle of 15 degrees to 30 degrees. At the same flow rate, the striking force can be generated in a unit area is much higher than other types of nozzles. The unique blade design and large flow channels ensure excellent control and uniformity of the spray distribution. Many models have a cap on how to remove and leaves, easy maintenance and cleaning. GGA-type quick release design, can be quickly removed without tools. Easy replacement and maintenance.