... Welding filter Lens din 12 2.Effective to provent Eyes 3.High performance with lower price 4.CE approved 1, two-piece anti-welding ... substances together, please keep away with pressure, heat, moisture, and sunlight.3, the product when used,please be gently, do ... according to different operating conditions, type of heat source and temperature and other factors, choose to use a different shade.SHADE ...