1/2″ NPTF Fuel Gas Tank Rollover Safety Vent Valve Assembly 5/16 Hose For NPTF thread only

About this item Brass Roll-Over / Tip Over Gas Diesel Fuel Tank Safety Vent Check Valve. The fitting threads into the of fuel or gas tank to allow air to enter or escape as needed. It also has a check ball inside of it so if your vehicle tips over and is upside down fuel will stay in the tank. 1/2″ NPTF Pipe Thread male mounting threads and accepts a 5/16″ ID hose. Stable performance, high reliability,suitable for replacing your broken one.