Ergonomic design 1. Handy & morphologic design to fit your face 2. Comfortable & easy to wear Advanced & patented Safety Technology 1. Auto oxygen generating system generating oxygen for you while you breathe out Carbon Dioxide and Moisture in your breath. 2. Rubber and Plastic Material : Flame retardant V0 grade(UL94), Odorless, Harmless 3. Reaction canister : Patented ¡°Counter Current Oxygen Generating Type 1. In Case of Fire : Escape and/or wait for rescue 2. In Case of Chemical, Biological, or Radiological contamination: Emergency escape 3. Work Place : Temporary use under toxic gas environment   <Public Area>Subway Stations, Airports, Department Stores, Hospitals, Schools, etc <Residential Area>Apartment, Houses, Buildings, Hotels, Lodging Facilities, Clubs Disaster Prevention and Civil Defense Military Facilities: Fire, Civil Defense, Military Basements, Military Hospitals, etc <Industrial Area>Hazardous Gas Work Place, Sewage Work Place, mine, large buildings, factories, laboratories     Classification Oxygen Generationg Mask 1.Oxygen Supply Using self breath 2.CO2 Removal Converted to Oxygen + Absorbent 3.Easy to wear and use No other activation required 4.Respiration Bag flame retardant (V0 grade) Rubber Materials 5.SYSTEM Oxygen Supply and CO2 removal at the same time