3M57004 Visionair Supplied Air Respirator 500HV. The latest HVLP spray gun compatible air-fed mask from 3M. Features a specially designed variable regulator and filter, and Y-piece connector and hose for uninterrupted airflow to the spray gun. Supplied as a complete respirator and regulator system. With an exceptionally wide field of vision, the 3M 500HV Visionair respirator shares the same compressed air hose as the spray gun via the variable Y- piece connector. This is designed to ensure efficient management of the airflow, a factor essential to the high flow volumes of HVLP spray guns. (Priced Per Each).