cheater lens for welding for sale, brand-new and used.

Lincoln Viking 3350 PAPR Powered Air Purifying Respirator Welding Helmet K3930-1 Description : CLEAR THE AIR ON WELDING SAFETY Where welding operations are concerned, safety is directly connected to air quality. When welding must be performed in enclosed or other areas where it is difficult to provide effective ventilation or otherwise control exposure to welding fume, the last line of defense is personal protective equipment for the individual operator.