ResMed AirSense 11 AutoSet APAP & Heated Humidifier - Auto CPAP Machine PackageResMed AirSense 11 AutoSet & Heated Humidifier Auto CPAP Machine Package Model Number: 39420, 39000, 39001 Condition: We have brand new machines for $1000. We have lightly Used machines for $700 and Very Used machines for $500. Our Lightly Used machines have less than 1000 hours. Our Very Used machines have over 1000 hours usually between 1,000 hours and 5,000 hours. Note: We also have Brand New S11 auto machines for $1000, you can find them here: