Through the European regulatory EN149: 2001 + A1: 2009 FFP3 NR certification.
Filtration effect can effectively filter fine dust.
Low respiratory impedance, prolonged wear will not produce hot and discomfort.
Adjustable elastic band buckle, depending on the size of the head of the personal adjustment elastic band length, a short time when not in use, can be quickly and easily off the mask and hang the chest.
Soft and comfortable foam, to further strengthen the masks of the close effect, can provide more effective protection.
Applicable in the steel industry, mining, underground civil engineering and other places.