Manufactured using a general purpose, cost effective fabric, the S-133 Head Cover is the entry-level head cover for powered air respiratory protection* Head cover with integrated head suspension providing head and face coverage* Provides eye and face protection to EN166 - liquid splash and low energy impact (grade F) the same classification for impact resistance as safety spectacles* Excellent field of view* Ready to use out of the box* Excellent field of view, particularly downwards.When used in conjunction with 3M Powered and Supplied Air Systems the 3M S-133 offers and assigned protection (APF*) of:Jupiter APF = 40TR300 APF = 40V500 APF = 40* Assigned Protection Factor (APF)