The 3M™ Versaflo™ TR-302N+ PAPR combines performance, protection and functionality with a slim, lightweight balanced design for comfort. TR-302N+ does not include a filter, belt, battery, or charger. Unit includes only the PAPR blower, filter cover, and air flow indicator. This allows the customer to choose the Versaflo™ belt, battery, charger, and filter that meets their needs. Two selectable flow rate options - 6.5 CFM and 7.2 CFM.