MMAD (Mass Median Aerodynamic Diameter): ?2.2 ?m, ensuring that fine particles can effectively reach the lungs. Fine Particle Dose (FPD): 80-85%, promoting efficient and effective medication delivery. Patented Valve Adjustable Nebulizer Bottle (VAT): Allows for customizable treatment based on the patient’s needs. Powerful Piston Compressor: Delivers consistent performance for rapid treatments. Includes Mouthpiece and Masks: Comes with accessories for both adults and children, making it versatile for various users. Built-in Compartment for Accessories: Keeps all necessary components organized and accessible.