ZY-01 Small Molecular Sieve Oxygen Concentrator 1L Products > Oxygen Concentrator Specifications Dimension 339x160x338mm Net Weight 6.1kg Maximum Flow Rate 2L/min Nebulization Rate ≥0.2mL/min Negative Oxygen Ion ≥8,000,000/cm³ Noise Level ≤60dB Power 200VA Rated Voltage AC220V/50Hz AC110V/60Hz Overcurrent Protector 125V 3A