BS EN 166/F - Clear polycarbonate safety lens with direct ventilation in the frame.Value Safety Glasses• BS EN 166.F - Clear polycarbonate safety lens with direct ventilation in the frame.• Conforms to BS EN 166/1F.• Model No. 9204Model No: 9204:Brand: Worksafe:Lens Type: Clear:Nett Weight: 0.035kg:PTDSEA9204