CE EN175 approved welding helmet.item# HF408,used to protect the welder's eyes , material : PP. size of veiwing window: 108*50 CE EN175 approved welding helmet.item# HF408,used to protect the welder's eyes ,material : PP.size of veiwing window: 108*50mm,convenient to wear,and easy to observe.packing:polybag,box; CE EN175 approved Welding helmet