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· Oxygen concentration display

· Low oxygen concentration alarm

· Imported molecular sieves

· 24-hour continuous and stable oxygen supply

· Oxygen flow rate: 0.5-3L/min

· Oxygen concentration: > 90%

· Output pressure: 0.02-0.07 MPa

· Power: 300VA

· Power supply: AC220V + 22V, 50Hz + 1Hz

· Noise: <60dB