Application:

1, the gas volume concentration in the environment is not higher than 0. 1%, no less than 18% oxygen volume concentration in the air, the environment temperature is 30 ~ + 45 degrees

2, this mask cannot be used for tank airtight container, such as work environment, also does not apply to other gas environment

3, before the use should check mask parts are in good condition, whether the exhalation valve seal, filter box with subject is closed.

4, wearing masks must be kept in regular, cover the nose and mouth, the nose should be no gaps on both sides of the body, face mask tape to fasten, respectively to adjust to the mask is not loose, do not squeeze, do not leak.

5, in use, when losing filter function filter poison, nose and mouth began to smell in the mild scent of poisonous gas, the user should immediately leave the toxic gas area, replace the new filter agent, the density of when it is necessary to check the face mask.