... mmWeight: 25 gGas Volume: 1.4 LOxygen Purity: 99.6%Breathing : 20 puffs (each puff 2 seconds)Material of Can: aluminumMaterial of ... Cap: PPContainer Info:118, 000 pcs in one 20' GP330,000 pcs in one 40' HQThe purity of oxygen ... is as high as 99.6%, which is designed easily inhaled. Whenever and wherever, it is ...