Help keep your air supply in top condition and your tools performing at peak levels with the Ingersoll Rand 1/2" air line regulator. It provides controlled, consistent air pressure, a requirement for operating some pneumatic equipment, and a good idea with just about any piece of air-powered equipment. It runs on a 0-140 PSI pressure range with an easy to read gauge and standard knob controls for easy operation. | Ingersoll Rand 1/2" Air Line Regulator R37341-600-VS