Passive Welding Filter Plate, Compatible with Brand Sellstrom, Compatible with Manufacturer Model Number 29911-10WW, Compatible with Series 290 Series, Features Impact Strength And Optical Clarity, For Use With Mfr. No. 29911-10Ww, Material Polycarbonate, Plate Length 4 1/2 in, Plate Thickness 0.1 in, Plate Width 5 1/4 in, Standards ANSI Z87.1, Welding Shade Designation W10