SWP 1433 8" X 12" Shade 5 Tinted Visor lens only

Shade 5 refers to the intensity of light radiation that is allowed to pass through a filter lens. Shade 5 is the mid-range filter recommended for gas welding, a little darker than recommended for gas brazing and the highest level for gas cutting. Shade 5 lens are never to be used for electric welding.