BESRTWE Home classic&1L/90% Oxygen Tube Machine& 1-7L Adjusable 30%~90%Concentration Concentrator oxigeno 𝗐𝗂th full-sets Accessories, 12Lbs

‌continuos flow 1L/90%, 7L/30% Adjustable(1-7L,90%-30%) 12LBS household classical complete accessories AC<110V/60HZ> with atomization-functionYou may also like BESRTWE 1L/93% Oxygen Tube Machine for Home Use, Portable Travel use Bag, 5Levels, pulso-Flujo, 6.5lbs, ac/dc recharged battery built-in.