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Hose Cuff Adapter for Wet/Dry Vacuum Accessory Kit - Lee Valley Tools
2 to 2.25 inch Plastic Vacuum Hose Connection Adapter | Oneida Air Systems
Amazon.com: Universal Vacuum Hose Adapter Kit Reducer Attachment Set Converter from 1 1/2 inch to 1 1/4 inch from 1 3/8 inch to 1 1/4 inch Dust Hose Port Adapter : Home & Kitchen
2.5 to 1.25 and 1.5 inch Vacuum Hose Adapter Kit | Oneida Air Systems