Oxygen Concentrator Save thousands per year making oxygen Oxygen purity = 93% +/- 3% Alarm: Power Failure, Hi-Low pressure and low concentration Small footprint and quiet operation make this unit ideal for a lab setting. Sound level ?40dBa Available in 3Ltr per minute or 5Ltr per minute Can be mounted to an anesthesia system for increased mobility Never run out of Oxygen again No more hauling heavy tanks in and out of your lab