Vertical folded mask. 2.5 cm diameter exhalation valve, located to the right of the mask. Foam reinforced nose area for greater comfort. Made of polypropylene. Heat sealed edges. FFP3: toxic dusts, fumes and water-based dusts. For work with asbestos fibers, cadmium, arsenic, lead, nickel, chromium, oils. Cleaning of refrigeration tubes. Against some bacteria. IN 149+A1.
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