A concealed manual mixer valve unit that provides a control system for the included bath overflow filler. The elegantly squared control surfaces are designed to complement similarly finished, traditional or minimalist brassware and enhance functionality. A straightforward lever handle enables precise control of both flow and temperature. Constructed from high quality chrome-plated solid brass. This round polished chrome overflow bath filler features a convenient click-clack waste, a bath filler spout, and a round overflow. Crafted to the highest standards using premium materials, it ensures durability and style. The waste operates effortlessly with a simple push-button mechanism.