3/8″ NPT 90 Degree Anti Siphon Valve, 3/8″ hose.
3/8″ NPT 90 Degree Anti Siphon Valve, 3/8″ hose. The anti-siphon valve is used as a safety device to prevent fuel from siphoning from tanks in case of a fuel line or fitting failure. Siphoning will only occur if lines are lower than tank.