2PCS Rollover Breather Check Valve Roll Over Fuel Cell Male 10AN Tank Fitting

Aluminum 10AN Fuel Cell Vent Roll Over Vent Valve Adapter Fittings 2Pcs. 2x 10AN Male Fuel Cell Tank Rollover Vent Valve. Serving as a non-restrictive vent, this tip over /rollover valve check ball closes on a rollover to prevent fuel from escaping.