- Expiratory valve that ensures rapid removal of exhaled air and prevents heat and moisture inside the mask.
- Comfortable sealing edge against the face.
- Nose clamp to effectively adjust the mask so that it closes tightly against the nose.
- Four-point tape rack enclosure of elastic for individual adjustment of the elastic.
- Dolomite tested with fine dust.
- 2312 is intended for smaller faces.
Complies to EN 149:2001+A1:2009.
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