3M Air Flow Indicator TR-971, for TR-600 PAPR

About this item 3M Versaflo Air Flow Indicator TR-970, for TR-600 PAPR 1 EA/Case The TR-971 air flow indicator may be used to confirm air flow levels of the TR-600 series PAPR. The TR-971 is designed to enable testing at various elevations and temperatures within the operational range of the PAPR system. Country of origin: Taiwan