Grohe Ondus/Veris Rainshower 16″ Shower Arm NOTE: Velvet Black (KS0) and Moon White (LS0) are made-to-order finishes. Allow 10 – 12 weeks for delivery.
From the Manufacturer
Grohe Rainshower 16-Inch Shower Arm and Flange in StarLight Chrome # 28 540 000. Contains 1/2-Inch NPT male threads. Can be used with any Grohe shower head EXCEPT Rainshower Jumbo showerheads. Code compliance: ASME/ANSI A112.18.1M.