Piston Compressor Nebulizer It operates with a piston compressor. As the device is lubrication free it has a powerful performance and a low noise level. It comes with a high performance jet nebulizer. All the accessories can be kept into a practical compartment. Adult and pediatric masks, a jet nebulizer and a mouthpiece are also provided. Optional accessory: A colorful version for children is also available, it comes with nice stickers. Thank to this attractive set, nebulization becomes a fun experience.