Visors are available in propionate and polycarbonate for a variety of environments. Features easy attachment without snaps, posts or levers, a reinforced edge to resist cracking, and a universal hole pattern that allows the use of Sperian visors with other popular manufacturers' headgear. Meets ANSI Z87.1-2003 High Impact and CSA Z94.3.NOTE: Face screens and faceshields are considered secondary eye protection only. Approved primary protection safety eyewear must be worn for full compliance.