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, etc. 20pcs/inner box, 10 inner boxes/carton/n.W. 15.3kgs/g>w>16.6kgs/2.95cu.Ft
