Safe Escape Smoke Hood ASE60A, Small Hard Cases, Two Units, 60 Minutes' Breathable Air Package of two 60 minute hard cased fire hood protects against smoke inhalation and falling hot ash. Each Safe Escape Fire Escape Smoke Hood ASE60A guaranteed to provide up to 60 minutes of breathable air. Small case is mountable with glow in the dark labeling. Important Never break the seal on this unit except in a fire situation. Once chemicals in the filter are exposed to air, they begin to degrade. Buy a unit if you want to practice use. NIOSH / CDC 82 CFR 42 N95 compliant. Small hard plastic case for Mounting ASE60A , Dimensions 6.5 x 5.5 x 4.25 inches. Minimum warranty of 5 years after date of manufacture 48 months after purchase. Without this smoke mask, you have less than 60 seconds to escape the deadly effects of Smoke Inhalation SI . Oversized hood, covers entire head and glasses. Glow in the dark cotton side straps. Extra large clear vision window. Stainless steel cartridge shell on high capacity filter. Up to 60 minutes' filtered air. Elastomeric cotton neck dam seals out polluted air. Adjustable two-point belt button helps fit mask securely to face. 3 part system protects against carbon monoxide, CO , Hydrogen Cyanide HCN , Hydrogen Chloride HCL , Acrolein CH 2 CHCHO , Anthrax and many other toxic gasses and smoke. Directions for Use Stay calm. Open the packing case. Remove the Safe Escape Smoke Hood, toxin prevention mask. Move 2 red rubber stoppers in the front of the toxin filtration tank. Push out the tank towards the front of the mask. Pull the mask over your head. Pull to cover neck. Place toxin filtration tank in front of your nose. Tighten head belt. Pull out and back for snug fit. Try to breathe normally. Choose the safest route out of the building. The Safe Escape fire safety hood is endorsed by many fire departments. Live testing was done in live testing in real fire training facilities. On May 23rd, 2005, the local a This item ships from a separate warehouse and may require extra time for delivery.