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.

ACS CX1250 Diamond Belt, 1/2" X 24" 30u
Dynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-Duty
Insize 7341-5S, PIN GAGE HANDLE (with 1pc handle and 6 pairs of collecting bushes), .228-281", 6928640370618
3M 76630, Roloc Disc 777F, 50 YF-weight, TR, 2 in, Die R200P, 7000045627
3M 36856, Dirt Trap Clear Film 18 in x 100 ft, 7000028295
Standard Abrasives 707505, PSA A/O Disc, 12 in x NH, 40 Grit, 7010369974
3M 37001, Combination Dual Airline Back-Mounted Breathing Tube SA-2600/37001(AAD), 7000002044, 1 EA/Case 
