Fein Dust Bags for Turbo III 3-Pack are designed to fit ly with the 9-77-25 and 9-88-35 models, providing an efficient and reliable solution for dust collection. This convenient package includes three dust bags, ensuring you have extras on hand for extended use. Crafted to maintain optimal performance and keep your workspace clean, these dust bags are an essential accessory for your Turbo III system. Model Number: 9-77-25