Vacuum Hose Adapter 33mm to 32mm, 35mm to 32mm Hose Connecter 1-3/8inch to 1-1/4inch 1-3/8inch to 1-1/4inch, the largest outside diameter is 34mm Adapt for 33mm or 35mm(1-3/8inch) hose accepts 32mm attachments Fits Pansonic and Sanyo vacuum cleaner, also fit other brand vacuum