BTS 10 Litre 232 Bar Steel Cylinder with DIN Valve & Boot S16116637 10 Litre ECS - Eurocylinder 232 Bar Steel Cylinder complete with Boot & 230 Bar G5/8 DIN Outlet Valve for use with Regulator 1st Stages with Standard Male 232 Bar DIN Thread, which can be easily converted for use with INT - A Clamp Regulators with an optional DIN Insert. For use with normal Breathing Air, all O-Rings are Viton ready for O2 cleaning for use with Nitrox. Cylinder Measures 595mm in length with a Diameter of 171mm, weighs 14.78 Kgs plus Valve, buoyancy of -2.13 Kgs in Sea Water & -3.21 Kgs in Fresh Water when Fully Charged.