Welding Helmet Lens Shade Shades 9-13 Color Black Viewing Area 4-3/4 in x 3-5/8 In. Headgear Slide 9000 Series Welding Helmets Series Features 3M(TM) Speedglas(TM) Helmet 9000 with Patented Exhaust Vents to Help Reduce Stuffiness 3M(TM) Speedglas(TM) FlexView System Allows The Welding Filter to Be Flipped Up Exposing Clear Faceshield for Grinding. 3M(TM) Speedglas(TM) ProTop Hard Hat Welding Helmet with Special Pivot That Allows The Shield to Nest Down On The Hard Hat for Better Balance