产品介绍：    符合国际质量标准，欧洲：EN149：2001CE0121　　采用三层无毒、无过敏、无刺激的材料制造。呼吸阀装置减少热量积聚，使呼吸更轻松，内置硅胶防尘片，优良的密闭性，调节鼻夹条及内置鼻夹泡沫垫，适合各种脸型，密封舒适。高效过滤强静电滤材，有效过滤固体微粒粉尘防阻油性液体气。　　用于建筑、采矿、纺织、打磨制药、解体工程、水泥、农畜牧业、切割粉尘、重金属有害污染物等场所。 FFP2 Nuisance Odour Respirator With Cool Flow ValveFFP2 Nuisance Odour Respirator With Cool Flow Valve* Standard: EN149:2001* Cool Flow valve reduced heat build up to    offer comfortable protection,particularly in    hot and humid conditions* Relieves irritation:designed to offer relief    from the irritation of low levels of specific    gases and vapours,often present alongside    particulate hazards* Reliable,effective protection against fine    particulates * Activated carbon layer provides relief from low    levels of specific gases and vapours* Durable collapse resistant inner shell* Excellent fit over a wide range of face sizes    provided by convex shape,nose clip and    twin-strap design* Comfortable,lightweight off-the-face design   Regular : carbon color   Package : 20pcs/bx,400pcs/ctn