3M PAPR Airflow Indicators are designed to verify the minimum airflow rate of 3M Powered Air Respirators. These indicators provide a straightforward method to ensure your respirator system meets required standards and is functioning properly. Test airflow before each use, and do not use the system if it falls below the minimum rate.3M PAPR Airflow Indicators are designed to help users verify that their 3M Powered Air Respirator Systems meet the necessary minimum airflow rate. These indicators offer a simple and reliable method for testing the airflow, ensuring that the respirator system is functioning correctly before each use. It is crucial to perform this check to confirm that the airflow exceeds the manufacturer's minimum design flow rate. If the airflow is found to be below the required level, the respirator system should not be used. As a genuine 3M accessory, the airflow indicator is easy to use and an important part of maintaining the safety and effectiveness of your respirator system. Regular testing with the 3M Airflow Indicator helps ensure compliance with safety standards and optimal performance.