The AV900 offers improved performance with its pressure monitoring and spirometry in all active ventilation modes. It also features a Patient Support facility set in Spontaneous Mode and connectivity to a Prima SP workstation. It has a spirometer with built in gas mixture compensation, tidal or minute volume, and compliance loop display. It improves patient safety with a continuously displayed expired volume. The AV900 comes with a Life-Care or Life-Care Plus (optional) warranty and Customer Care scheme.