... small size oxygen can 1.high purity,portable,green,pure,safe. 2.Small,big-capacity,easy to carry,can be used at ... anytime small size oxygen canStandard: ISO9001, CE certificate,FDA certificateParameters:Net ... ≥95%Pressure: 0.8Mpadiameter:72mmheight:315mmScope of application:Small size oxygen can suits for elderly people, overusing of brain people, high ...