AIR Plus Series Reusable FFP3 RD Mask features a washable full face seal which can be used for longer than a shift. The AirWave® Pleated Filter reduces breathing resistance, improves wearer comfort and minimises fatigue. A Ventex-Valve® helps to reduce moisture and heat. The ActivForm® seal automatically adjusts to different face shapes and sizes with no need for metal nose clips. There is also an adjustable strap and clip.
FFP3 for protection against toxic dusts, mists and fumes 20 x WEL (Workplace Exposure Limit). 
Tested and certified to EN 149:2001+A1:2009.