Пожарная лестница Маска для огнестойкого

Fire Escape Hood, Fire Escape MaskMost victims of fire are not injured by heat or flames but by smoke and gases,especially carbon monoxide. The Fire Escape Hood is a breathing device which filters and processes ambient air to provide 15-30 minutes for an able person to find their way to safety. Specifications:1) Fire resistant and flame retardant and used to protectagainst CO and toxic smoke2) Service life, min > 30min CO and HCN: > 30min3) Penetration: ≤0.01%4) Leakage coefficient: ≤5%5) Inhalation resistance, dapa ≤80 (at 85L/min)6) Total field of vision: 80%7) Binocular field of vision: 60%8) Total weight: 800g