The perfect companion for your Stihl chainsaw, this fuel tank vent is a must-have accessory designed to streamline your tasks and ensure safety during refueling. With a sleek and unobtrusive design, it seamlessly fits over the fuel tank mouth, allowing for a smooth and easy connection of fuel hoses. The optional lock-nut feature adds an extra layer of security, preventing accidental loosening of the vent during operation. This product is compatible with a wide range of Stihl models, including the MS192, MS193, MS194, MS200, MS201, MS201C, 210, 211, and 230, and the MS650. By investing in this 0000 350 5802 fuel tank vent, you're not only enhancing your Stihl performance but also practicing responsible and safe refueling practices.