3M ™ Peltor ™ Welding Protector H505B is designed for use with 3M Welding Helmet like the 3M ™ Speedglas ™ 9100. These hearing protectors provide cushioning that meets the needs of most welding applications. These products contribute to reduced exposure to high and dangerous noise levels. Stylish, compact and modern design Liquid filled sealing rings provide better comfort Headband provides increased compatibility with other protective equipment The large space inside the covers reduces moisture and heat buildup. The soft and wide sealing rings reduce the pressure around the ears and provide better comfort.