Dust extractor adapter for Draper 50021 Belt sander. This adapter solves the problem of connecting your Henry Hoover vacuum cleaner to the belt sander, as the dust extraction port on the sander is 63mm in diameter, while the vacuum cleaner hose is 32mm. With this adapter, it is easy to pick up the dust directly from the sander to the vacuum cleaner, making your work area cleaner and more work-friendly.