The 3M™ Versaflo™ TR-300N+ HKL is a complete, ready-to-use HE PAPR system with a medium-to-large headcover. Suggested industries include: Pharmaceutical and Healthcare. Provides protection against particulates. Includes: S-133L Headcover, BT-30 Length Adjusting Breathing Tube with BT-922 Breathing Tube Cover, TR-991 Carrying Bag, TR-302N+ PAPR Unit, TR-327 Easy Clean Belt, TR-332 High Capacity Battery, TR-341N Battery Charger Kit, TR-3712N HE Filter, TR-3600 Prefilter, TR-971 Airflow Indicator. Two selectable flow rate options - 6.5 CFM and 7.2 CFM.