Each qty in cart means: 1 Each; 3M Minimum Order Qty: 1 Each; 3M Incremental Order Qty: 1 Each; Please note the product data is supplied by 3M. There may be some errors.  Please notify us if 3M Incremental Order Qty is LARGER than 3M Minimum Order Qty (Indicating a data error).; 3M Stock #: 7100035846; 3M Previous Stock #: 70071668076; 3M Catalog #: TR-971; Sales UPC: 00051141567075; 3M 5 Digit Part Number: 56707; Consumer UPC: 00051141567075; Shipper UPC: N/A; Inner Package UPC: N/A; 3M Stock Type: "MAKE TO ORDER" that this item will be manufactured upon receipt of your order.; Approx. 3M Time to Ship (In Business Days): 7; Shelf Life: N/A; Country of Origin: Taiwan; ECCN: 1A995;EAR99; Harmonized Code: 9020009000; US DOT 49 CFR: NOT REGULATED;

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. 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. See the User Instructions for details regarding how to use the TR 971.