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.

3M™ 07011, Supplied Air Respirator Hose W-9435-50/07011(AAD), 7000005373, 1 EA/Case
3M 20912, PSA Cloth Disc 348D, 40 X-weight, 2 in x NH, Die 200P, 7000118920
3M™ 07010, Supplied Air Respirator Hose W-9435-25/07010(AAD), 25 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005374, 1 EA/Case
Dynabrade 95848 Dynabrade Gear Oil
3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box
ACS CX1250 Diamond Belt, 1/2" X 24" 125u
3M 50008, Scotch-Weld EPX Mixing Nozzle for DP2216, Square Gold, 43 mL, 7000000952
Dynabrade 40320 Dynafile II Abrasive Belt Tool
3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
Dynabrade 93650 5" Dia. x 3/4" CH 40/50 Grit Side Spoked Diamond Cut-Off Wheel
3M 05280, Marine Adhesive Sealant 4000 UV, White, 3 oz Tube, 7000121531, 6/Case
Insize 7341-15S, PIN GAGE HANDLE (with 1pc handle and 8 pairs of collecting bushes), .760-1.010", 6928640396847
ACS Diamond Cloth Belt, CX1250 3" X 90" 125U
3M™ 72013, Adapter 529-04-50, 110-120 VAC, 7000131705, 1 EA/Case
3M 72074, Organic Vapor/Chlorine/Hydrogen Chloride/Sulfur Dioxide/High Efficiency Cartridge 453-03-01R06, AEP3, 7000131720, 2 Packs/Case 
