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-301N+ is a replacement blower for all TR-300N+ assemblies and kits.

Dynabrade 15420 Dynafile III Abrasive Belt Tool
3M 44530, Diamond Grade DG3 Reflective Digital Sheeting 4081UDS, Fluorescent Yellow, 48 in x 50 yd, 1 Roll/Case, 7100274218
3M™ 72013, Adapter 529-04-50, 110-120 VAC, 7000131705, 1 EA/Case
3M 22397, Roloc Disc 361F, 60 YF-weight, TR, 1-1/2 in x NH, 7000045097 
