Product Description The GROHE Rainshower Jumbo Shower Arm in Infinity Brushed Nickel for Jumbo shower heads is constructed from solid brass, includes heavy-duty mounting hardware and features 1/2 in. MNPT threads. By combining superior technology with a choice of breath-taking designs, GROHE can provide you with all the elements to enhance your bathing space. An extensive portfolio of showering solutions, bathroom innovations and coordinated accessories complement our faucet collections to enable the creation of a cohesive and inviting bathroom design scheme. From the Manufacturer Grohe Rainshower Jumbo 16-Inch Shower Arm in Infinity Brushed Nickel # 28 983 EN0. Product features include: 16-Inch shower arm; Heavy duty flange mounting system; 1/2-Inch NPT male threads. For use with Rainshower Jumbo Shower Head # 28 783 000. Code compliance: ASME/ANSI A112.18.1M.