Emergency Escape Breathing Apparatus Available in both 5- and 10-minute bottles to provide safe, comfortable protection. The model 845™ provides an average of 42 lpm of air flow for five minutes, and the 850™ offers 42 lpm for ten minutes. The lightweight cylinder is refillable, while the hood can be detached for cleaning or replacement. Air flows directly onto the lens to minimize fogging. A high visibility carrying bag makes it easy to find in an emergency situation. NIOSH/MSHA certified.