Our Premium Portable 960ml Oxygen Can (12 Liters, 250+ Puffs) is a high-capacity, lightweight personal breathing aid engineered to provide immediate relief from unexpected respiratory strain. Packed with high-pressure, compressed medical-grade oxygen at an exceptional 99.6% purity, this ultra-compact canister magically expands to deliver approximately 12 liters of pure oxygen gas, supplying over 250 refreshing puffs. An absolute mountaineering and trekking essential, it serves as a crucial first-line defense against sudden breathing discomfort, acute shortness of breath, and altitude sickness (hypoxia) during high-altitude climbs or intense athletic training. Designed for seamless one-handed operation, it features an integrated, ergonomic inhalation mask cap that channels gas efficiently without waste—offering a dependable, temporary wellness boost whenever your lungs need it most.