(1) ORB-06 inlet port and (2) ORB-06 outlet ports. 1/8 NPT gauge port. Clear anodized finish for a subtle look. Carbureted Regulator, 2-port, 1.5-5 PSI. Low Pressure Carbureted Adjustable Regulator. Our new Ultra Low-Pressure Regulator features a completely unique valve, designed to support high flow at a very low pressure. Intended for multiple smaller carburetors, such as the classic Weber, Mikuni, Dellorto, and the Solex. Adjustable from 2-5 PSI-Ideal for small carburetors-(1) ORB-06 inlet port and (2) ORB-06 outlet ports-1/8 NPT gauge port-Clear anodized finish for a subtle look.