The Dryer Vent Store Vacuum Hose Adapter Kit Vac Reducer Attachment Vacuum Cleaner Hose Adapter Dust Collection Connector Fits 1 1/16 to 1 3/4 in, Use with Central Vac Accessories 4 Pieces : Amazon.ca: Home
I 3d printed adapters and accessories for a PVC shop vac dust collection cart : r/woodworking
RIDGID 37.5L (10 Gal.) 6.0 Peak HP Stainless Steel Wet/Dry Shop Vacuum with Filter, Hose a... | The Home Depot Canada
Dust Collection Fittings with Shop Vac Hose Adapter Accessories 4 in to 2 1/2 in
Build a DIY dust separator on top of a shop vac | Popular Science