Iwata-Medea External MAc ValveFrom the ManufacturerMicro Air control Valve for Iwata airbrushes only - Infinite control of Airflow at the AirbrushFeatures of Iwata-Medea External MAc Valve From the ManufacturerMicro Air control Valve for Iwata airbrushes only - Infinite control of Airflow at the Air..