DEDAKJ DE-1B New Design Portable 7L Lightweight Oxygen Concentrator  (7 L/min adjustable)

How Does The Oxygen Concentrator Work 1. The air enter into the compressor via the fuse with filter and canceling function. 2. The oxygen and nitrogen are separated by the molecular sieve. 3. The oxygen will be kept and the nitrogen discharge by the ceramic separate valve. 4. The oxygen flow into the water tank and you can enjoy the moist oxygen. Concentration up to 93%: The flow can be adjusted from 1L to 7L with Oxygen concentration ranging from 30%-93% Intelligent control is convenient to use. Mute design is more comfortable: Less than 45 db sound Clear HD LED screen for easy to read and a convenient REMOTE CONTROL to operate the device from a distance TIMER can be set to your liking, customizable air flow speed and oxygen concentration adjustme