The entrust Performance Oxygen Concentrator features a simplified, two-piece cabinet design that 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. Made in the USA, this robust oxygen concentrator offers just the right balance of cool and quiet. The entrust Performance Concentrator also features readily accessible patient controls and protected cannula fitting.