Grohe Rainshower F-Series 15? Multi Ceiling Head Shower Features : Product Name Rainshower F-Series 15? Roughing-In Set Code 26042000 Series F-Series Color Chrome Material Metal Dimensions 295 mm (width) x 121 mm (height) x 181 mm (depth) Max. installation depth 91 mm Min. wall thickness Not less than 200 mm Minimum screw-in depth of stud bolts 14 mm Waterways Brass Connections 1/2" Finish type Brass Handle material Brass Number of handles 4