820 Nasal Vented CPAP Mask

Features:

• Medical grade liquid silicone full face cushion for greater comfort special 3D design for better sealing user's face but don't need to tighten the headgear too hardly.
• Quick assembling design offer user more convenience when taking off / assembling the cushion.
• Silence type vent holes provides lower noise and the maximum CO2 washout, vented air is spread as cloud so that does not disturb patient or companion.
• Sampling port allows measuring pressure or ETCO2.
• Anti-asphyxia valve, automatically open when the generator pressure fails, enabling patients to breathe by themselves. (Full Face Mask)
• Flexible, One-piece forehead pad evenly conforms to the forehead contour, so the pad stays in place and you won't feel a thing. 
• Easy to unhook or reattach the upper headgear by threading it through the loop.