Marshall Excelsior 3/8" Brass Hose Barb x 3/8" Flare Nut – Ideal for Propane & LP Gas SystemsThis premium brass flare nut fitting from Marshall Excelsior (MFG# 145-66) offers a secure, leak-resistant connection between 3/8" hose barb and 3/8" female flare gas lines. Designed for LP, propane, and natural gas systems, this compact fitting is precision-machined from high-quality brass for long-lasting durability and corrosion resistance.Perfect for:DOT cylinder hose connectionsLP gas transfer linesBBQ, outdoor heater, or RV propane systemsKey Benefits:Precision-machined brass construction ensures durability and gas-tight connections.Corrosion-resistant finish for extended life in outdoor or industrial environments.Compact size ideal for tight spaces in regulator and hose assemblies.Compatible with supporting components like Rego, Cavagna, and other standard LP hardware.Whether you're building or maintaining a bulk gas transfer line, this 3/8" Flare x 3/8" Hose Barb Nut ensures reliability and safety at every connection.