auto-darkening welding helmet 110*90*9 large filter cartridge design 92*42mm and 98*48mm viewing area CE approval YC-01N model, is our classic design, mainly to European marketThe material is soft, high/low temperature resistant, corrosion resistant, high-speed impact resistant and flame retardant.Use of high-quality LCD and optical coatings, auto-darkening light control, to achieve a clear ...