The M 405 assembly includes a M 925 Visor, M 444 Inner Collar, and M 445 Outer Shroud. The M 925 visor is made of polycarbonate. The M 445 shroud is appropriate for general purpose use.
3M 17322, Versaflo Respiratory Helmet Assembly M-405, with Standard Visor and Shroud, 7100009447, 1 EA/Case
$626.24
Factory Stock, 7-10 Day Leadtime, Priced Per Case
Used with an approved air source, M-400 Series helmets provide respiratory (OSHA APF=1000) and limited head (ANSI Z89.1-2003 Type 1 Class G) and eye (ANSI Z87.1-2010) protection. The M-405 assembly includes a standard visor and standard shroud.

ACS Diamond Grinding Disc, 4-1/2" Dia. X 5/8"-11 Center Hub Thread, Type 29, 36 Grit
Standard Abrasives 592304, Quick Change Aluminum Oxide 2 Ply Disc, 50, TR, Brown, 1-1/2 in, Die Q150S, 7010310670, 50/case
3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738 
