... good sealing property, suitable for all kinds of adult faces.(2) Object of protection: CO, HCN, poison smoke and fog, etc ... high efficiency, continuous or intermittentspraying3) Applicable to the extinguishments of initial fires caused by oil, flammableliquids, solid organics, gas ... public entertainment places and dwelling house, etc.4.PackageMeas. of box: 32*12*32cm5.Delivery20 days after receipt the ...