3M 7100094478 Auto Darkening Filter 4.2 in W x 2.8 in H ANSI Z87.1, CSA Z94.3

3M™ Speedglas™ Auto Darkening Filter 9100Xxi Offers The Same Large Viewing Area As Our 3M™ Speedglas™ Auto Darkening Filter 9100Xx, But Thanks To Improved Optics (Compared To Our Previous Generation Helmets), It Allows You To More Readily Recognize Colours As Compared To Our Other Models. This May Help You Focus On Your Welding Set-Up, Welding Technique, Precision Grinding, And Inspection Of Just Completed Welds. 3M™ Speedglas™ Auto Darkening Filter 9100Xxi Fits With All 3M™ Speedglas™ Welding Helmet Series 9100