It is a nozzle head. It can make a spectacular effect. Used for garden fountain spray irrigation, watering, etc. Full of white water column due to the incorporation of air to form white jade-like spectacular water vertically upwards within throwing ability, water combination, landscape effects. Pressure: 60-180 Kpa Water Jet Volume: 3.6-6.0m3/h Jet Height: 2.0-7.0m Colour:silver Material:Stainless steel Size: Length: about 16cm Diameter: about 6.3cm Package Contents: 2 x Frothy Fountain Nozzle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.