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.

Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
3M 65056, Scotch-Brite Blending Hand Pad 7446, HP-HP, SiC Medium, 6 in x 9 in, 7100082599, 40/Case
3M 87260, Scotch-Weld Epoxy Adhesive DP100, Clear, 200 mL Duo-Pak, 7100075490, 12/case
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
3M 22397, Roloc Disc 361F, 60 YF-weight, TR, 1-1/2 in x NH, 7000045097
Dynabrade 55500 .1hp Pencil Grinder, Twin Turbine, 100,000 RPM, Nickel-Plated Aluminum Housing, 1/8" Collet
3M 88892, PSA Cloth Disc 348D, 60 X-weight, 15 in x NH, Die 1500A, 7010360718
3M 26122, PPS Series 2.0 Cup, Midi (13.5 fl oz, 400 mL), 7100135960, 2 per carton
ACS 1/2 in x 18 in Diamond Metal Bond Belt, 60M/250u
3M 14593, Scotch-Brite Cut and Polish Disc, 3" x 1-1/4" x 1/4" A Medium, D5, 7000045941, Box of 10
3M 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 7000045101
Dynabrade 51731 .1 hp Straight-Line Pencil Grinder, 60,000 RPM, 1/8" Collet
3M 22395, Roloc Disc 361F, 60 YF-weight, TR, 3 in, Die R300V, 7000045098
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
Dynabrade 95821 Dynabrade Air Lube 10W/NR, 4oz Bottle
3M 72003, Powerflow High Efficiency SP3 Particulate Filter System Component 450-01-01R20, 7000131701, 20 EA/Case 
