Includes ResMed AirCurve™10 VAuto bilevel machine with two pressure level settings: a higher pressure when you inhale, and a lower pressure that makes it easier to exhale. AirCurve 10 VAuto includes SlimLine™ tubing. Connects to myAir™, an online support program and app that automatically sends your therapy data to your computer or smartphone Purchase does not include CPAP mask or replacement tub. About AirCurve 10 VAuto: Auto-adjusting bilevel machine for obstructive sleep apnea, which means it changes airflow pressure levels for both inhalation and exhalation based on your needs Allows your exhalation pressure to be set as low as 4 cm H2O for enhanced breathing comfort, regardless of how high the inhalation pressure is set. This can be helpful if you require a higher pressure to treat your sleep apnea. Built-in humidifier and Climate Control’s enhanced Auto setting provide optimal breathing comfort. User-friendly controls and an intuitive interface make it simple to navigate settings and your nightly sleep report. Prescription required. Comes with 2 year warranty. About the HumidAir heated humidifier: Provides an airflow that’s moistened to help prevent dry mouth and congestion. Cleanable tub can be opened and cleaned in the dishwasher. Auto Climate Control setting controls the humidifier and the SlimLine™ heated air tubing to deliver constant, comfortable temperature and humidity levels during therapy. Personalize your settings to find the level of humidity that’s most comfortable for you. Cleanable replacement tub is compatible with the HumidAir humidifier built into all ResMed AirSense™ 10 and ResMed AirCurve™ machines. This machine is best for: People who find CPAP pressure difficult to tolerate Users prescribed bilevel therapy Those looking for proven BiPAP performance