: 15
: Pcs
: 1 - 3 Hari
MAIN TECHNICAL SPECIFICATIONS Effective hour : type 30 ≥ 30 minutes, poison gas and smoke protecting, fireproof, hot-radiation protecting, good sealing property, suitable For all kinds of adult faces. Object of protection : Carbon monoxide(CO), hydrogen cyanide(HCN), Poison smoke and fog. Mist permeability coefficient ≤ 5%. Inhalation resistance ≤ 800pa, Exhalation resistance ≤ 300pa.