The Pro Cell line from Fuel Safe is simply the most durable gasoline bladder available in the industry today. The Pro Cell utilizes a double layer of proprietary fuel resistant coating over a backbone of super tough ballistic fabric. They come complete with steel container, full foam baffling, aircraft nut ring, gasket, pick up assembly and fill plate. Features: - double-coated flexible nylon fabric bladder - full foam baffling - dual -8 pick-up and -8 vent check-valve fittings - internal fuel strainers - 2-1/2" threaded cap on 6" x 10" plate with rollover valve - steel container - provision for sending unit - fully assembled - approved for use in FIA, SCCA, SCORE, NASCAR and many more! - designed for pump gasoline, racing gasoline, AVGAS & gasohol. Not for nitro or alcohol.