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
$700.33
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.

3M 01875, Charge-Collection Solar Tape 3011, 2 mm x 1200 m, 7010312686
3M 50013, Venture Tape Cloth Duct Tape 1500, Silver, 72 mm x 55 m (2.83 in x 60.1 yd), 7010337384
3M 06970, Scotch Polyethylene Coated Cloth Tape 390, Olive, 48 mm x 54.8 m, 11.7 mil, 7000048963
3M 85652, Thermosetable Glass Cloth Tape 3650, White, 4 in x 60 yd, 8.3 mil, 7010373472 
