BTS 7 Litre 200 Bar Natural Luxfer Aluminium Cylinder with Left Handed DIN Valve & Blanking Plug S16216507 7 Litre - 50 Cubic Feet 200 Bar Luxfer Natural 'Dirty Beast Aluminium Cylinder complete with Left Handed 230 Bar G5/8 DIN Outlet Valve and Blanking PLug. 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 610mm in length with a Diameter of 152mm, weighs 10.69 Kgs plus Valve, buoyancy of +0.19 Kgs in Sea Water & -0.74 Kgs in Fresh Water when Fully Charged.