... area grind can be selected CE & ANSI approval YC-08 model, is our lastest design, with clear lines, full of three ... flame retardant. Use of high-quality LCD and optical coatings, auto-darkening light control, to achieve a clear effect of visual observation ... -C, YC-GY-B, YC-E (L), YC-E(H) auto-darkening welding helmet