That is used for washing hair without needing a complete shower. Tub pillar taps are seperate taps for cold and warm drinking water. All types can be mounted instantly over the bathtub, to the wall or as freestanding taps on standpipes. The freestanding taps are well known with freestanding baths. https://black-taps-for-bathroom28260.bloguetechno.com/details-fiction-and-matte-black-bathroom-taps-68202210