Huntsman 951P/1105 VS Welding Helmet - 4-1/2 x 5-1/4 Auto Darkening Lens

4-1/2 x 5-1/4 fixed front Auto Darkening lens. 2 x 4-1/4 viewing area - variable shade 9-12. Reacts to arc in less than 1/10 - 000 of a second. Automatically lightens up to a shade 4 for prep work. Battery operated. Auto Darkening replacement lens available #33099.