Features: this kind of nozzle is installed in the same water distribution chamber with many universal direct nozzles. When the specifications of these nozzles are the same, the water posture is majestic, straight, robust and beautiful; when the specifications of these nozzles are not completely the same, the large and small nozzles are properly arranged, the water posture is robust and powerful, the layers are clear, the theme is prominent, and it is the main nozzle necessary for large-scale fountains.