EXTERNAL VALVE: The mask has a special valve located on the lower part of the hood that makes the product well ventilated. It can be used for physical work, running, etc. Mask adheres perfectly to the face, this is due to the nose seal made of polythene foam additionally glued to the mask.
SPECIAL FIBRE FILTER MASK consists of filter fabric, i. e. polypropylene and fleece. HIGHEST DEGREE OF FFP3 FILTRATION! KILL 99. 99% It consists of a special filter fabric that reduces the risk of penetration into the users' respiratory system.