Duravit No.1 1 x Bathtub Built-in Version Shape: rectangular Rim height: 35 mm Material: sanitary acrylic, impact and shock-resistant plastic, pore-free surface with 1 back slope. Drain and overflow opposite the back slope with overflow (Drehexcenter). Drain diameter: 52 mm. Usable volume: 180 liters for 1 person. Dimensions (WxDxH): 1800 x 800 x 420 mm. Inner depth: 400 mm. Color: glossy white. Design by Duravit. Note: Optional bathtub handle available. Please note that the installation of the bathtub handle is only possible at the factory. If a bathtub handle is desired, please contact our customer service.