Don’t use in the environment where the oxygen concentration is unknown or less than 19.5%, or the concentration of toxic gas is unknown, or severall kinds of toxic gas with different properties or vapor is mixed.
Only use POWER MASK when the materials in the air are defined and the correct filter and cartridge are equipped.
Don’t use in protection against anthrax inhalation, poison gas, chemical bombs, fire-escaping or smoke suffocation.
Fitness may be affected by a user’s beard or glasses.
Failure to follow the instructions may cause serious damage to health. Only use POWER MASK after you confirm that the gas is defined, correct filters/cartridges are chosen and further requirements are met.