Badger Air-Brush Company Stock Number 41-033 Spray Regulator - Fine (size 1), for Model 175 and 3155 is a brass component with a bright nickel plated finish that attaches to the front of the airbrush. The spray regulator guides the air over the tip of the needle for proper atomization and siphoning. The 41-033 spray regulator is compatible with the 41-003 fine tip. Badger Air-Brush parts are proudly made in America.