Features:

*The comfort silicone mask surface has well fit and seal with human face to avoid air leakage.
*There is one port design for O2 measurement and pressure measurement.
*Very low noise and good compliance in use.
*Anti-Asphyxia Valve (AAV) design to keep breathing smoothly when the CPAP device failure.
*The connection between connector and mask body has cushion for better body position removing.
*Quick release trap.
*The nasal mask is designed with Headpad for better tightness.
*Model RAP-401(Small) / RAP-402(Medium) / RAP-403(Large) are available.