3M Versaflo Air Flow Indicator TR-973, for TR-600 PAPR with BT-63/64Breathing Tube 1/case 3M Respirator 3M Formaldehyde Monitor 3721+ is

3M Formaldehyde Monitor 3721+ is a cost-effective and convenient way to perform personal air sampling for formaldehyde and certain other aldehydes

and focused by minimizing fatigue

ensuring optimal noise reduction for workers in high-noise environments

and comfortable cushioning

3M 8210V N95 Particulate Respirator with Cool Flow

3M Versaflo Air Flow Indicator TR-973, for TR-600 PAPR with BT-63/64Breathing Tube 1/case 3M Respirator 3M Formaldehyde Monitor 3721+ is3M Versaflo TR 973 air flow indicator may be used to indicate air flow levels of the TR 600 and TR 800 series PAPRs when used with tight fitting face pieces. The TR 973 is designed to enable testing at various elevations and temperatures within the operational range of the PAPR system.