Ensure that your Tineco vacuum is running at its optimum performance levels by using this replacement filter kit. It includes 2 pre-filters and 1 HEPA filter that help keep the vacuum cleaner operating efficiently. Plus, these filters help catch dust and dirt particles that might otherwise end up in the air, so that it ends up being cleaner, as well. | Tineco Replacement Vacuum Filter Kit for A10/A11/S11 (9VAAH101100)