Oxygen concentrators. Features Light Weight 16kg American Make Valve & Motor Sieve from France Quiet Operation Compact Low power - Average 330 watts Stainless Steel Outlet Extensive Ventilation Can be used without air conditioning. 0-51pm up to 95% pure oxygen Specifications Stainless Steel Oxygen outlet will not break during use. Flow Indicator Lockable flow Controller, in recessed cavity. Reduced chance of accidently changing flow during use ON/OFF Switch when ON, is inside the machine body, reduced chance of accidently shutting off the machine Reset switch on front panel Front panel indicators for easy understanding of machine status. Useful To Strengthen your heart, reducing the risk of heart attacks To Detoxify your Blood, Raise Energy Levels To Improve Strength & Build Endurance To Revitalize the skin To Prevent disease, relieve hangovers To Help fight off depression