Clear polycarbonate safety lenses with Shade 5 flip-up lenses. Indirect ventilation in goggle frame. Conforms to BS EN 175.Gas Welding Goggles with Flip-Up Lenses• Clear polycarbonate safety lenses with Shade 5 flip-up lenses.• Indirect ventilation in goggle frame.• Conforms to BS EN 175.• Model No. SSP6Model No: SSP6:Brand: Sealey:Nett Weight: 0.14kg:Shade: 5:PTDSEASSP6