BIENDAY 12lbs Con𝘵𝘪nus 1-5L&Oxygen Generator- for Home Portable Machine Tube &𝗐𝗂th 2 in 1 equipment con full Accessor 33-93% concentration

1~6 L/min Adjustable Product Size: 24*15*25 cm / 9.4*6.1*10in Product Weight: 2kg / 9.3lbsYou may also like BIENDAY 𝒉𝒆𝒂𝒍𝒕𝒉care 3L/M&Portable Oxygen Generator-Tube 33% Out Machine Pulse for Travel Use&C𝗈𝗆𝖾 𝗐𝗂th machine 3.3𝑙𝑏𝑠 Accessories.