Air ducts did not shut down. Didn't know they were always open. Once you plug the air hose into the pump, the air continues to flow straight through the end of the bus connector. Thrown in the trash!
Pros
Dual-Head Pneumatic Chuck: Taisher Gauge is equipped with two zinc alloy two-stroke chucks, a 30-degree front head specially designed for internal/single wheels or hard-to-reach valves, and a 30-degree front head Return feed for outboard equipped wheels.