Red polycarbonate cover lens Eye protection glass Excellent optical performance with CE Material:Pvc, ... vacuum coating of metallic oxides are produced in shades number 8-15.Welding circles filters we have delivered usually in diameter ... mm in shades number 3,4,5,6,7 and 8, it is possible to produce as well as others diameters ... Aalen ( Germany) and satisfy of EN 166 and EN 169. Red welding cover lens