3M Versaflo TR-307N+ PAPR Assembly with Easy-Clean Belt & High-Capacity Battery - Respiratory Protection for Industrial, Healthcare & Construction Workers - 1 EA/Case

Two types of alarms - one audible and one visual - alert user to either a low battery or low flow, such a when a particle filter is fully loaded. LED lights on the battery indicate its charge status on and off the charger. The 3M Versaflo TR-307N+ PAPR assembly includes a TR-302N+ PAPR unit, TR-371+ filter cover, TR-327 easy clean belt, TR-332 battery, TR-341N battery charger kit, TR-3712N HE filter and a TR-3600 Pre-Filter.