Disposable Face Mask with Ventex Valve

Disposable respiratory protection, against dust, smoke, highly toxic solid or liquid aerosols. Semi-mask with double shell and double clip band. Fixing system with quick release. This mask is fitted with a Ventex low-pressure valve, designed to reduce respiratory resistance and to facilitate the acceptance of the mask by its user. It reduces the heat, the humidity and the amount of CO2 after exhalation inside the mask.