Moeller Brass Anti-Siphon Valve 3/8 x 1/4NPT 03380710

Moeller Anti-Siphon Valve Brass 3/8" with 1/4" Thread

Anti-siphon valves are required by Federal Law and the USCG on all permanent fuel tank installation. 
Delivers Coast Guard/industry standard anti-siphon protection on all gasoline-powered boats
Combines anti-siphon protection with a convenient hose barb design