Supplied Air Respirators

A supplied-air respirator (SAR) or air-line respirator is a device used in places where the air may not be safe. It uses an air hose to supply air from outside the danger zone. It is similar to a self-contained breathing apparatus (SCBA), except that SCBA users carry their air with them in tanks, while SAR users get it from a stationary air supply attached to them by a hose.

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