40 Roca collections Toilets & Sinks 41 W+W Innovation and technology come together for the benefit of sustainable advance. This concept is a combination of water saving and space optimization. Its innovative system filters water from the sink to be reused for the toilet. Unique, different and innovative, the W+W will bring design, elegance and sustainability to the bathroom space. Product line Wall-Hung Toilet + Sink *Special Order Only Glossy colors | Sanitary ware White