The Ocenco M-20.2 EEBD can be donned in seconds; simply unlatch the case, pull out the unit, and insert the mouthpiece and nose clip. The attached hood can be donned at anytime during the escape. The compressed oxygen and mouthpiece combination allows the Ocenco M-20.2 EEBD to be donned in a smoke filled environment. The compact Ocenco M-20.2 EEBD can be belt worn in all confined spaces.