9100XXi SW Filter lens Shade 3 / 5, 8 / 9 - 13, Viewing Area 2.8 x 4.2 in ( 72 x 107 mm). 9100XXi Auto Darkening Filter Lens, Viewing Area 2.8 x 4.2 in ( 72 x 107 mm). 9100XXi SW Light Shade 3, Dark Shades 5, 8 / 9, 10, 11, 12 or 13, Viewing Area 2.8 x 4.2 in ( 72 x 107 mm).
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