http://tinyurl.com/lydvcx8
WORKSHOP Wet/Dry Vacs WS25055A Wet Dry Shop Vacuum Adapter Combo Kit
Includes 2-1/2" to 1-7/8" Adapter, 1-7/8" to 1-1/4" Adapter and 2-1/2" Hose to Hose Connector
Affords flexibility to use varied accessories
Fits most WORKSHOP wet/dry vacs