The AirCurve™ 10 VAuto is advancement in BiLevel therapy from ResMed. This machine automatically adjusts to deliver one pressure for inhalation, and another for exhalation. It is ideal for users who find it difficult to adjust to Sleep Apnea therapy on a fixed pressure CPAP or who need extra pressure support. This bilevel machine has two different, adjustable set pressures, which can help make therapy feel more comfortable.