Resmed Aircurve 10 ST A Bilevel Bipap - Auto Bipap Machine PackageResmed Aircurve 10 ST A Bilevel Bipap Auto Bipap Machine Package Model Number: 28210 This machine is used to treat obstructive and central sleep apnea. This is currently the second most powerful Bipap that exists. Second only to the Aircurve ASV. The primary focus of this machine is for those with central sleep apnea because this machine will force a breath if the user stops breathing. And this machine has a backup rate that constantly monitors your