BESRTWE Household &1L/90% OxygenGenerador tube Machine for Home, & Adjusable 30%~90%-concentration Concentrator oxigeno 𝗐𝗂th full-sets Accessories

‌continuos flow 1L/90%, 7L/30% Adjustable(1-7L,90%-30%) 12LBS household classical complete accessories AC<110V/60HZ> with atomization-function