Sundstrom SR 552 Harness for SR 500 Fan Unit

The SR 522 Harness is an accessory for the SR 500 Powered Air-Purifying Respirator (PAPR). The harness increases the number of task options available and retains the comfort factor associated with the SR 500 PAPR system. The SR 500 PAPR system can be worn on the lower back or between the shoulder blades. The plate on the back has three size adjustments.