Two types of alarms - one audible and one visual - alert user to either a low battery or low flow. LED lights on the battery indicate its charge status on and off the charger. The 3M Versaflo TR-302N+ PAPR Unit includes only the PAPR blower, cover, and air flow indicator. This allows the customer to choose the Versaflo belt, battery, charger, and filter that meets their needs.
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