Choose bidet size using the chart below. All parts are in North America Standard. You may download and review the manual first here. The item "Dib-2500 Bidet Electronic Enema Toilet Seat Advanced Model Elongated / off white" is in sale since Friday, August 17, 2012. This item is in the category "Home & Garden\Home Improvement\Plumbing & Fixtures\Bidets & Toilet Attachments\Bidet Seats".The seller is "warehouse8deal" and is located in North Bergen, New Jersey. This item can be shipped worldwide.