XHZLC40 Fire Escape Gas Protection Mask

XHZLC40 Fire Escape Mask, Gas Mask SGS Certification, Escape Mask Fireproof, Factory Smoking Gas Mask, Hopcalite Material in Filter, Carbon  Monoxide (CO), Hydrocyanic anid (HCN) Poison Smoke and Fog, Mist Permeability Coefficient <5%, Inhalation Resistance <800 Pa, Exhalation Resistance <300Pa, The Mask is  Made of Aluminum Fabric and IT is Produced by Hot Melt Method, Dust Filter use PP Fiber, Breathing Valve use Silica Gel Visor use Soft PVC,  Hood Belt use Flame Retardant Cotton, 40min Poison Protection and Fire Protection.