The 3M  Versaflo PAPR Assembly TR-617N includes motor/blower (TR-602N), high capacity battery (TR-630), length adjusting breathing tube (BT-30), Easy clean belt (TR-627) and Air low indicator (TR-971). The TR-617N assembly may be combined with 3M Versaflo branded headtops and filters or cartridges to create a complete, compact, light weight, 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-617N assembly may be the prefered choice of customers working in environments with Air orne hazards that include particulates and gases or vapors such as pharmaceutical or food manufacturing.