The Invacare Platinum XL Concentrator offers all the great features of Platinum 5, now with eXtended Life to help lower lifecycle costs. Platinum XL features an upgraded compressor, that extends the time before preventative maintenance is required by 40%! Platinum XL also offers an extended limited warranty - now a full 5 years with no hour limit on the compressor! The unit also features a top handle, side filter access door, and a compatibility with the HomeFill II Home Oxygen Filling System.