The TR-970 Air Flow Indicator is used to confirm that the manufacturer's mimimum design flow rate of the 3M™ Versaflo™ TR-300 Series Powered Air Turbo is exceeded.
Ensure your 3M™ Powered Air Respirator System is exceeding its minimum flow rate with 3M™Airflow Indicators. Our airflow indicators provide a simple and reliable way to test the airflow of your respirator system. The airflow of the unit must be checked before every use. If the air flow level is below the minimum flow rate, the respirator system should not be used until further examination and repair where necessary.