Valley sink by MUUBS. The popular sink in river stones is now also available in a larger model. A stone sink gives the bathroom a very special and unique touch. River stones are a natural material, which is why the Valley sink is a unique sink where each Riverstone sink is different in shape, Colour and structure. With a stone sink, you have the opportunity to create a personal bathroom that exudes authenticity and rawness. The hole in the sink has a diameter of 4.3 cm and fits the pipe size 1 1/4 inches. Series: Valley Article number: 9210000104 Colour: Grey Material: River stone Dimensions: WxHxL 37x15x80 cm