Cen-Tec Shop Vacuum Hose and Swivel Adapter with Universal Power Tool Adapter Set for Wet/Dry Vacs 94115 - The Home Depot
Amazon.com: 3 Pieces Vacuum Hose Adapter, 2-1/2 Inch to 1-1/4 Inch, 1-1/4 Inch to 1-3/8 Inch to 1-1/2 Inch, 1-3/8 Inch to 1-1/4 Inch Wet Dry Vacuum Converter Reducer Attachments for Vacuum Cleaner : Home & Kitchen