Hello, I have a Philips EverFlo 5 liter oxygen generator, American made. The device is clean and working 100%, the purity indicator is green, no problems. Specifications: - Flow from 0.5 to 5 liters per minute - Purity 93% - Quiet and energy-saving - With wheels and easy to move - weighs 14 kg Reason for selling: No longer needed Location: *Khabash - Najran* Price: 2500 riyals, negotiable for serious buyers. *WhatsApp contact only: ( Phone number appears when clicking the contact button ) .