... 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 ...