Specification
No Prescription Needed
Oxygen Concentration: 60% - 40% (Pulse flow)
Flow: 1-2L (adjustable)
Negative Ion: About 300,000 / cm3 (electron irradiation)
Noise: ≤ 45dB
Dimension: 8.26'' * 2.95'' * 11.61'' ; Weight: 3.9 lbs
Pressure Range: ≧83KPa
Automatic shutdown time: 2 hours