External lens replacements compatible with GYS Expert 11 Carbon welding helmet. Designed to protect the sensitive LCD screen from molten metal splatter, scratches and damage. Regular replacement ensures continued comfort and helps maintain clear visibility. Pack of 5. DIN 5-13 Lens Compatible with GYS Expert 11 Carbon Welding Helmet Suitable for MIG, TIG & Arc Welding Plastic Construction DIN 5-13 Lens Compatible with GYS Expert 11 Carbon Welding Helmet Suitable for MIG, TIG & Arc Welding Plastic Construction