Boy Fountain Nozzle for Submersible Pump The fountain nozzle set can adjust the height according to the depth of your pond, or adjust the fountain size according to the pond area. Extremely easy to use. Fountain nozzles create beautiful visual effects for ponds and water gardens of all sizes. With a beautiful shape and convenient installation. The fountain head features a beautiful shape and easy installation, and can be adapted to a wide range of ponds and fountains.