BIENDAY Continus-Home use 1-7L/Min &Oxygen Machine Portable Tube&Oxygen Generator-Bag 𝗐𝗂th 2 in 1 equipment con full Accessor 33-93% concentration

Color: White Noise: ≤48dB 1~7 L/min Adjustable Size: 28.5*21*30.5cm / 12*8.3*12in Weight: 9kg / 13lbsYou may also like BIENDAY 𝒉𝒆𝒂𝒍𝒕𝒉care For Indoor Con𝘵𝘪nus 1-7L&Oxygen Generator-Portable Machine Tube for Home &𝗐𝗂th 𝟵𝟯±𝟯%（1L）equipment con full Accessor B78.