the innovative elite oxygen conserving device conserves oxygen, and thus prolongs the service life of the cylinder. elite also increases the mobility of the patient. thanks to the systems precision metering, the o2 cylinders last approximately 3 times longer than with simple pressure regulators without a conserving system, without any loss of therapeutic effect. ELITE offers major advantages: Ease of handling. Just screw a pressure regulator onto the cylinder, turn the cylinder on, adjust the fl ow rate at the rotary switch and you are ready to go. No batteries required. You can save money, and potential sources of error are removed. The special rotatable pressure gauge can be read easily from all angles. No expensive special masks. Wear your normal standard nose mask. The light weight (580 g incl. pressure regulator), the ease of handling and the robust design off er patients optimum suitability for everyday use and maximum comfort.