Duravit 006459 Features: Elongated seat with lid – designed to complement a wide variety of elongated toilet designs Covered under Duravit's 5 year warranty Coordinates with products from the Happy D.2 line seamlessly The soft-close lid forces a gentle descent, ensuring the lid will not slam shut Secure mounting assembly while keeping installation fast and easy All hardware required for installation is included Duravit 006459 Specifications: Height: 2" (top to bottom) Depth (Projection): 16-7/8" (back of the hinges to the front most part of the seat) Width: 14-5/8" (left edge to the right edge of the inner opening of the seat) Inside Length: 11" (back to the front of the inner opening of the seat) Inside Width: 8-5/8" (left edge to the right edge of the inner opening of the seat) Distance Required Between Installation Holes: 7-11/16"