Fisher & Paykel SleepStyle 600 CPAP Series ThermoSmart Breathing Tube Without Headgear The Millennium M10 oxygen concentrator 2809 The Millennium M10 oxygen concentrator is designed to be the highest performing and most reliable 10 liter oxygen machine available The Gravity 8 Pressure Redistribution Mattress by Drive Medical has a multi layered foam system that provides outstanding zoned pressure distribution ThermoSmart Heated Tubing delivers optimal levels of humidity during therapy and because the tubing itself is heated you don't have to worry about room temperature or rainout effecting your therapy Usage Information: This ThermoSmart Tubing works exclusively with Fisher & Paykel's SleepStyle 600 Series CPAP Machines including the SleepStyle 604 and SleepStyle 608