Gateway Safety 24G11 Polycarbonate IR Filter Welding Lens, Shade 11, 4-1/4" Length x 2" Width, Gold-Coated Gateway Safety filter meet the ANSI Z87.1+ and CSA Z94.3 standards Provide exceptional heat deflection, resulting in better field of vision Available in shade 11 lens Come with gold-coated Measures 4-1/4-inches length by 2-inches width