Polymide film Made of hi-tech UL approved polymide film which is heat resistant to a high temperature of up to 450 degree C This newly developed Fire Escape Smoke Hood allows fire victims to have an extra 15 - 20 minutes of evacuation time. It's multi layer filter can filter out more than 20 types of fatal toxic gases occurred in a fire. (ie. HCL, HCN, H2S, NH3 20pcs/inner box, 10 inner boxes/carton/N.W. 15.3KGS/G>W>16.6KGS/2.95cu.ft
