Marshall Excelsior 1/2" M. Flare x M. POL Brass Adapter – MFG# ME355Ensure leak-free, high-performance fuel connections with this precision-machined brass male adapter from Marshall Excelsior. Designed to connect 1/2" male flare fittings to POL (Prest-O-Lite) connections, this adapter is widely used in DOT cylinder filling stations, bulk LP gas transfer systems, and propane tank connections.Key Features:Machined brass for maximum strength and corrosion resistanceCompatible with LP, propane, and natural gas systemsCommonly paired with valves like the Rego 7901TB shut-offDLP catalog #10LP0559 – trusted by professionals nationwideCompact and rugged for high-pressure gas environmentsPerfect for industrial, commercial, and residential gas applications requiring secure, tight flare-to-POL connections.