If you are talking about the fine mist spray nozzle, then it is the type of nozzle you can use to produce the fog or mist effect. It is generally used by industries as the industrial water nozzle to spray the chemicals over something. It is also used to control the airborne particles' form, and you can use the different nozzles, which depends on the type of fluid you are using.

For More Information about industrial water nozzle, please check https://www.superklean.com/our-products/standard-nozzles