Airbrush Accessories Mini Air Airbrush Filter Miniature in size. Durable, light weight and easy to use. Comfortable in the hand, it acts as a handle on ther airbrush to relieve muscle tension. Built-in 5-micron filter element to filtrated moisture or water quickly. The clear filter bowl allows a visual inspection of built-up moisture and evacuated through a spring-loaded release valve without taking the filter off the airbrush.