B.1 Single lever shower mixer for concealed installationConnection type: basic set for concealed installation, Ceramic cartridge, round escutcheon 170 mm, with diverter valve , 2 outlets, diverter hand shower / showerhead, includes: visible parts with functional unit, recommended operating pressure 3 - 5 bar, Surface Chrome.Necessary accessory (exclded)Bluebox 3/4" #GK0900001Bluebox 1/2" #GK0900000