Fits most "standard" sized frames.

This is a Welder's Shade 5 clip on, designed for use over existing Didymium or AUR-92 filters to work borosilicate.

If you are going to use this filter for borosilicate work, please be advised that the dyes used to make this filter fade over time and exposure to IR. These clip on flip ups should be replaced at least every six months.

Material: Polycarbonate dyed to Welder's Shade 5

$ 19.95 plus shipping