Product Description The specification of the oxygen concentrator (FY5 single flow) Oxygen flow(L/min): 0 - 5 Oxygen concentration(%): ≥ 90% Outlet pressure(Mpa): 0.03 - 0.07 Sound level dB(A): ≤ 50 Size(mm): 650(Height)*430(width)*370(depth) Net weight(kg): 30 Power: AC220+-10%, 50/60+-1Hz; AC 110+-10%, 50/60+-1Hz Power consumption: ≤ 470W Electric classification: Class II Grade B Alarm: Power failure alarm; Pressure alarm Timing: With timer( alternatively) Oxygen purity monitoring: With purity indicator (alternatively)