John Bunn 02 Premier Oxygen Concentrator
Graham-Field's John Bunn 02 Premier features a durable plastic outer shell with convenient top handle for quick portability; easy-to-read display screen and controls; power loss alarm and high and low pressure alarms. Dual cooling fans quietly reduce heat build up inside the compressor housing, extending the life of the compressor. The 02 Premier's even flow rate of up to 5 liters per minute supplies consistently high levels of oxygen.