PVC Woodworking Reducer Adaptor For Vacuum Cleaner For Dust Collector Woodworking Specification: Brand new Material: PVC Size: 50mm to 32mm ( all sizes are tube's inner diameter) Corrosion-resistant, anti-aging. Long service life. For dust collector or woodworking/powertool. Package included: x Woodworking Reducer Adaptor Note: Please allow 1-3mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer since monitors are not calibrated same.