Below is the parameter:
rtable Oxygen Concentrator Introduction:

Power: 90W
●Sound level: < 40db
●Concentration : 30%-90% (flow at 1L/min, the purity> 90%)
●AC/DC powered, without battery
●Adjustable oxygen flow 1-5L/min,
●Total working hours dispaly, time control function
●Portable design with modern heartset type oxygen pipes
●Net weight: 6kgs

●Machine size: 324LX199WX320H mm
●3 color optional: Black, Yellow, Red