This kind of oxygen concentrator can be used for home, club, hospital...and so on!

Oxygen flow (L/min): 1~3, 1~4, 1~5
Oxygen purity (%): ≥90%
Oxygen delivery pressure (Mpa): 0.04~0.05
Noise dB (A): ≤47~50 dp

Size (mm): 438 (Height) *208 (width) *480 (depth)
Net weight (kg): 21, 22, 23.5
Power: 220V/50HZ

Power consumption: 300W, 400W, 450W,