The Wilkerson R18-04-F000B Air Pressure Regulator is a high-quality unit designed for pneumatic system components. With a 1/2" pipe size, this regulator features an air inlet size and type of 1/2 inches. It is lightweight at 1.3000 pounds and has a depth of 3.900 inches, making it a convenient and essential tool for businesses and industrial applications. With fast shipping available, this regulator from Wilkerson is a reliable choice for maintaining proper air pressure levels in your system.