3M™ Versaflo™ TR-971 Airflow Indicator 332 Multi purpose design for wall
3M™ Versaflo™ TR-971 Airflow Indicator 332 Multi purpose design for wallTR 971 Air Flow Indicator is used to confirm that the manufacturer's mimimum design flow rate of the TR 600 is exceeded. Designed to enable testing at various elevations and temperatures within the operational range of the system. Easy to use
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6