The Dynarex Oxygen Concentrator supplies additional oxygen to individuals with difficulty breathing * Users can customize oxygen flow with the adjustable flow knob * Works in conjunction with easily attached nasal cannulas that hook over the ears and under the nose for easy inhalation * The Dynarex Oxygen Concentrator also comes with several audible safety alarms including an Oxygen Purity Indicator (OPI) and a manual reset button to keep patients breathing regularly even after power fluctuations * Ideal for a variety of professional healthcare facilities such as retirement homes hospitals rehabilitation facilities and more * Equipped with audible alarms and indicator lights such as a Low Flow-rate Alarm Low/High Pressure Alarm and a Power Failure Alarm * Flow Range: 0.5-5 LPM * Quiet operation levels * Top handle and four rolling castors allow for easy transport * Oxygen Concentration 90 to 96% * For individual use indoors only * Operating Altitude (feet above sea level)0 to 7 500 or 13 123 as a setting * Oxygen Outlet Pressure (max psi)6-10 * Decibel Level40 * Compare Dynarex Oxygen Concentrator to Companion 5 by Caire or Perfect O2 by Invacare * For individual use indoors only