The 3M™ Versaflo™ TR-300-HIK is a complete, ready to use HE PAPR system for industrial applications. Provides protection against particulates. Includes M-307N+ Respiratory Hard Hat Assembly, TR-302N+ PAPR Unit, TR-326 High Durability Belt, TR-341N Battery Charger, TR-3712N Filter, TR-362 Spark Arrestor, TR-3600 Pre-Filter, TR-332 High Capacity Battery, BT-40 Heavy Duty Breathing Tube, TR-971 Airflow Indicator. Two selectable flow rate options - 6.5 CFM and 7.2 CFM.