34" Outlet (ball valve) up to 4"Can install any type and size of fittings that may be requiredPressure relief valve (if required)Reinforced flange areasHeavy-duty D-rings for securing the bladderFuel Bladders can be used for many applications. From boat bladders for long deep sea excursions, to agricultural fuel storage, to large quantity industrial fuel storage, Husky can meet your fuel storage needs.