Collapse resistant double shell construction made to withstand hot and humid conditions. Embossed fringe seal avoids fluffy open layers around the edges. Latex free synthetic rubber head strap. Contour design ensures the compatibility of glasses / goggles and reduces fogging. Soft nose foam and adjustable nosepiece ensure custom shape and increase the worker comfort and acceptance. Conforms to EN149:2001 +A1:2009 FFP1 NR For Hazard Type: Toxic dusts. Example: Working with plastic (non PVC) and some metalwork.