The M 305 assembly includes a M 925 Visor and M 935 Faceseal. The M 925 visor is made of polycarbonate. The M 935 faceseal is appropriate for general purpose use.
3M 17316, Versaflo Respiratory Hard Hat Assembly M-305, with Standard Visor and Faceseal, 7000002382, 1 EA/Case
$491.09
Factory Stock, 7-10 Day Leadtime, Priced Per Case
Used with an approved air source, M-300 Series hardhats provide respiratory (OSHA APF=25) and limited head (ANSI Z89.1-2003 Type 1 Class G) and eye (ANSI Z87.1-2010) protection. The M-305 assembly includes a standard visor and standard faceseal.

3M 01333, PSA Cloth Disc 348D, 60 X-weight, 3 in x NH, Die 300V, 7000118880
Dynabrade 51301 .5 hp Straight-Line Die Grinder
Norton 66254414832 - 3" X 1/4" X 1/4" Vortex Rapid Blend Unified Wheel, 5am U2305, 40 Each
3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
3M™ 17323, Versaflo™ Respiratory Helmet Assembly M-407, with Premium Visor and Flame Resistant Shroud, 7000002395, 1 EA/Case 
