The 3M clear aluminized polycarbonate faceshield window helps protect against impact and heat in hig H temperature applications. With an easy pivot assembly and extra thickness, it is great for bright, hig H heat furnace operations. Aluminized window reflects up to 80% radiant heat .080" thickness great for bright, high heat furnace type operations Windows mount inside crown for added support Features easy pivot window assembly Hig H performance thermoplastic crown for impact resistance Size 9" X 14.5" X 0.080" Meets the High Impact requirements of ANSI Z87+ 10 faceshields/case 3M provides reliable head and face protection products that meet regulated performance and safety requirements.