Sellstrom Advantage Gray abs crown and shade 5 IR acetate window protective faceshield with ratchet headgear. Features a unique toggle design that makes window assembly quick and easy. Chemical splash resistant. Extreme impact strength. Shade 5 IR window option ideal for welding affiliated operations such as medium to heavy torch soldering, brazing and cutting operations. The shield curves naturally to fit facial contours ensuring reliable protection from splash, particles and flying debris. Ratchet headgear suspension allows user too adjust size and tighten at the turn of a knob. Rugged, durable, aluminum bound window is impact and chemical splash resistant. Meets ANSI Z87.1-2003 Standards and is CUL Certified to meet CAN/CSA Z94.3 Standards. Window measures 8-inches width by 16-inches height by 0.060-inches thickness.