| 1952 - The industries first face-mounted regulator
1965 - 4500 psi air cylinders giving firefighters
better mobility and more time
1971 - Positive pressure mask that totally eliminates
inleakage
1975 - Radio interface integrated in the mask
1977 - HazMat suit with ventilation
1981 - Masks with automatic positive pressure
1991 - 45-minute hybrid cylinder weighing
approximately the same as fiberglass wrapped 30 minute cylinders.
|