Fibre-Metal Green Shade 5 Molded Extended View Face Shield Window with a lens size of 8" X 16 1/2" X 0.06" is made of propionate and is used for FM70DC dual crown high Performancefaceshield. Lightweight dimensionally stable window fits FM-70 cap mount, is designed especially for use with CG3400 and CG3400CL chin guards and it is resistant towards distortion impact and scratch. It is used in oxy-fuel welding and cutting applications. Dual crown visor is top quality injection molded, preformed extended wraparound. Window is SEI certified and meets current ANSI standards.