Limitations of use
Do not use the particle filtering half mask and enter or stay in a contaminated area if: •The user has ear injuries that prevent the proper donning of the mask. •Atmosphere contains less than 19.5% oxygen.
•The user smell or taste contaminant.
•The environment contains hazardous gases or vapors.
•Contaminants or their concentrations are unknown or immediately dangerous to life or health.
•In sandblasting, paint-spray operations and environment with asbestos.
•In explosive atmospheres.
•After expiry date of the particle filtering half mask.
•Checks prior to use has not been performed.