During high humidity periods, water droplets may form inside the air tank, air hose even when using the filter regulator.
In such a case, connect Mr. Hobby Drain & Dust Catcher to the airbrush to separate moisture and it is the final defense to deliver clean, dry air to your airbrush.
Not only does it block water droplets in the air hose, but it also has a function to adjust the air flow rate, which expands the control range of the airbrush and improves work-ability. You can hold the airbrush firmly.
This accessory also act as a handle on the airbrush in order to relieve muscle tension, very useful as a extension grip for various Mr. Hobby airbrush.