Full-face mask respirator, std. thread, C 701, class 3, hypoallergenic TPRFull face mask respirator, std. thread, C 701, class 3, hypoallergenic TPR In acc. with EN 136, Class 3 (high performance full face mask respirator for professional use in a wide range of applications). With standard thread connection acc. to EN 148 1. Mask body and inner mask made of high quality hypoallergenic TPR Excellent adaptability to fit different face sizes Distortion free and anti scratch PC lens with large all round field of vision