Replacement window for use with Aearo® faceshields (Item No. G10030 or Item No. 10031; sold separately). Clear propionate window protects against splash and spray from harsh chemicals, and also provides light impact protection. Polycarbonate window provides heavy impact resistance. Window measures 9"Hx14-1/2"W. Meets ANSI Z87.1-2010. USA made. Specify window style: Propionate or Polycarbonate from selection box above.