... easy to carry,can be used at anytime small size oxygen canStandard: ISO9001, CE certificate,FDA certificateParameters:Net volume: 10000mlConcentration ... 95%Pressure: 0.8Mpadiameter:72mmheight:315mmScope of application:Small size oxygen can suits for elderly people, overusing of brain people, ... using, cover the cover.Structure of the small size oxygen can :Flavor: mint and grapefruit.* OEM is welcome. ...