Replace your welding helmet shell without having to purchase a complete new system with 3M Welding Helmet Replacement ShellsEnsure you get the optimum level of comfort and protection from your welding helmet with 3M Speedglas Welding Helmet Shells. Welding filter and headbands are not included. Our spare part replaces worn or damaged helmet shells and can be used with your existing Speedglas headbands and Speedglas welding filters. Make it a habit to check your equipment regularly for maximum safety.