Used with an approved air source, the 3M Versaflo Helmet Assembly, M-405 provides (APF=1000) and limited head (ANSI Z89.1-2003 Type 1 Class G) and eye (ANSI Z87.1-2010) protection. It includes a standard visor and standard shroud.

The 3M Versaflo Helmet Assembly M-405 includes a 3M Versaflo Standard Visor M-925, 3M Versaflo Inner Collar M-444, and 3M Versaflo M-Series Standard Outer Shroud M-445. The 3M Versaflo Standard Visor M-925 is made of polycarbonate.