Bosch Filter Hepa Turbo Jet Upright BUC 11700. This Bosch Turbo Jet Filter fits Bosch Turbo Jet Upright. For optimum performance, It is suggested to change your filter every 3 months. This vacuum filter retains dust and other particulates from the air while you vacuum, making the air in your home or business cleaner and more breathable. Measures 2 1/2inches H x 1 1/4inches ID x 4inch OD Part 461543

VCP-037-461543