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

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: ≤48dBYou may also like Lischwert 90% Household 𝒪𝓍-Concentrador machine Oxygen 𝙂𝙀𝙉𝙀𝙍TOR Machine Tube 1-7L/m De,𝘃𝗶𝗰𝗲 with AC Adapter and Accessories.