Grohe Eurosmart Cosmopolitan Shower Mixer Without Diverter Features : Product Name Rapido E Single-Lever Mixer Mixer 1/2" for Concealed Body Code 33966000 Series Rapido E Product Type Diverter Body Material Brass Installation Type Wall Mounted Set Includes 1 Single Lever Mixer Hole Diameter 0.5 inch Material DR Brass Ceramic cartridge 46 mm Top and bottom outlet 1/2"