Lischwert 2-in-1,7L Adjustable Generator- oxyegen-Tube Quiet(All-Age Use) Concentrator de oxigeno 1-7L Continuous for Home use

9.3*11.6*11.6in

• Specifications:
• Color: White
• 1~7 L/min Adjustable
• 90% (1 L/min), 65% (2 L/min), 55% (3 L/min), 45% (4 L/min), 40% (5 L/min), 35% (6 L/min), 30% (7 L/min)
• Noise: ≤48dB