ALUM ANTI SIPHON VALVE - 3/8" X 1/4 NPT

Moeller 03380110 1/4 Npt-3/8In Aluminum Anti-Syphon Anti-Siphon Valve Anti-siphon valves are required by Federal Law and the USCG on all permanent fuel tank installation. Use 15 (Brass) calibrated for HP 200 & above and 30 (Aluminum) calibrated for HP below 200 Delivers Coast Guard/industry standard anti-siphon protection on all gasoline-powered boats Combines anti-siphon protection with a convenient hose barb design Attributes: Hose = 3/8 Barb Thread = 1/4 NPT Material = Aluminum.