The 3M™ Versaflo™ PAPR assembly TR-616N includes motor/blower (TR-602N), high capacity battery (TR-632), length adjusting breathing tube (BT-30), high durability belt (TR-626) and airflow indicator (TR-971). The TR-616N assembly may be combined with 3M™ Versaflo branded headtops and filters or cartridges to create a complete, compact, lightweight, easy-to-use PAPR for protection against certain particulates, vapors and gases. Single and four bay chargers are available to charge the battery. The TR-616N assembly may be the preferred choice of customers working in a rugged environment with airborne hazards that include particulates and gases or vapors such as fiberglass layup, pesticide manufacturing, agriculture and demolition.