The 3M SPEEDGLAS 9000 F/V Speedglas Inner Lens 100/9002 (428000) is a high-quality inner lens that provides excellent optical clarity and protection for welders. The lens features a 100% optical density (OD) of 9, which provides excellent protection from harmful UV and IR rays. The lens also features a 9002 shade, which is ideal for a variety of welding applications. The lens is easy to install and remove, and it is compatible with all 3M SPEEDGLAS 9000 welding helmets. Here are some of the key features of the 3M SPEEDGLAS 9000 F/V Speedglas Inner Lens 100/9002 (428000) : 100% optical density (OD) of 9 for excellent protection from harmful UV and IR rays 9002 shade for a variety of welding applications Easy to install and remove Compatible with all 3M SPEEDGLAS 9000 welding helmets If you are looking for a high-quality inner lens that provides excellent optical clarity and protection, then the 3M SPEEDGLAS 9000 F/V Speedglas Inner Lens 100/9002 (428000) is a great option. Here are s