Structure: mainly consists of mask body, window lens, air inlet, call diaphragm, nose and nose cover, head net (belt) and so on.

● Positive pressure type, the air pressure inside the mask is slightly higher than the outside, which can avoid toxic gas entering the mask.

●Spherical large-view panoramic screen, which has the characteristics of impact resistance, high and low temperature resistance.

●Good air tightness, especially suitable for Asian people's face, silicone rubber material, comfortable to wear.

● Built-in nasal mask to prevent the spread of carbon dioxide and water vapor.

●Unique airway design, dry and cold air is blown to the goggles to prevent fogging. The warm and humid air is isolated by the nose and mouth mask, and is discharged by the exhalation valve and comfortable to wear.

●It is fast-plugged with the air supply valve, can be rotated 360°, and has a neck strap for easy carrying.