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-304N+ PAPR assembly includes a TR-302N+ PAPR unit, TR-371+ Filter Cover, TR-327 Easy Clean Belt, TR-332 High Capacity Battery, TR-3712N HE Filter and a TR-3600 Prefilter.
3M 94265, Versaflo PAPR Assembly TR-304N+, with Easy Clean Belt and High Capacity Battery, 7100153811, 1 ea/Case
$909.11
Factory Stock, 7-10 Day Leadtime, Priced Per Case
The 3M Versaflo TR-304N+ PAPR provides protection against particulates. Combines performance, protection and functionality with a slim, lightweight balanced design for comfort.

3M 23897, Cloth Belt 777F, 60 YF-weight, 1 in x 18 in, Fabri-lok, Full-flex, 7010307894, 200 per case
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
Dynabrade 59339 Vacuum Cuff, 1", w/Groove
3M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 7000045068
Dynabrade 95848 Dynabrade Gear Oil
3M™ 72787, Calibration Kit 529-04-48, Large, 7000052154, 1 EA/Case 
