Built upon a legacy of reliable, field-proven concentrator models, the Drive DeVilbiss Healthcare 5 Liter Oxygen Concentrator was updated with enhanced quality, durability, performance and simplicity in mind. This robust oxygen concentrator offers just the right balance of cool and quiet. The simplified, two-piece cabinet design allows for 15% typical sound quality improvement and an improved cooling process. Paired with proven, exclusive DeVilbiss Turn-Down Technology, these improvements minimize wear on internal components and increase the life expectancy of the unit. The concentrator is easy to assemble and disassemble, and it requires no maintenance for two years. Built upon a legacy of reliable, field-proven concentrator models, the DeVilbiss 5 Liter Oxygen Concentrator was designed with enhanced quality, durability and simplicity in mind|Patented DeVilbiss Turn-Down Technology minimizes wear on internal components, reduces power consumption by 15% or more and extends the life of the concentrator|Exclusive DeVilbiss OSD (Oxygen Sensing Device), standard on every unit, ensures patient safety and reliability for longer service intervals|Readily accessible patient controls, protected cannula fitting and recessed humidifier nook to prevent damage|Alarms Audible and visual high/low pressure, low flow, low oxygen, power fail, Oxygen Sensing Device