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FILTER DARKENING AUTO 9 TO 13 1.57IN VAR
3M™ Speedglas™ Auto-Darkening Filter ADF 100V 07-0001-31/37246 (AAD), Variable Shade 8-12, 1 EA/Case | 3M United States
Amazon.com: Solar Auto Darkening Welding Lens, Variable Shade 3/11, with True Color Technology, 4.25x2, Two Arc Sensors, Auto Darkening Filter for Welding Helmet
Welding Auto Darkening Filter Solar Lens - Welding Headshields -