11.1 Litre Aluminium cylinder, in natural finish, perfect for use for side mount, cave or general diving either singly or in pairs. 207 Bar Working Pressure, weighs only 14.2 Kgs when empty, measures 184mm in diameter and 662mm tall. Our Aluminium cylinders are manufactured from superior quality, high strength aluminium alloy and are made to European Community TPED & PED specification with M25 X 2 EN-144-1 style outlet thread. Being made from aluminium they are very light and are less susceptible to corrosion. Our Aluminium cylinders feature a flat base and are supplied cleaned for use with Nitrox. 2298 Litre gas capacity when fully charged. Oxygen cleaned and ready for use with Nitrox or Trimix if assembled in an appropriate environment with O2 clean valves & equipment. Approximate Buoyancy of 2.28 Kg when empty and -0.47 Kg filled to capacity including Valve in Sea Water.