The AHP300 Transport Ventilator is intended for use in EMS (emergency medical services) environments, inter-hospital transport, and hospital facilities, by qualified critical care nurses, paramedics, and respiratory therapists. Features: Modes: (Pressure or Volume) A/CMV. (Pressure or Volume) SIMV. CPAP. Bi-Level Support (PS+CPAP) (can be programmed in custom mode). NIV (non-invasive ventilation) available in all modes. Five Programmable Quick Start Presets.