Extra Room for Shower The shower head riser extension arm raises your shower head 5 in higher and fits for 20 max. rainfall showerheads. This is thesolution for those need the extra height and the extra width to accommodate the large, even huge- rainfall shower heads. Durable and Safe The pipe is made of marine-grade 304 stainless steel with over twice strength of ordinary brass, good resistance to acid, alkali and salt, long-termresistance to avoid shower heads blockage due to rust residues, especially suitable for hard water and hot spring water. Gold Finish Adoption of brass electroplating process technology.finish couldfromand Tarnishing. Strong and durable for longer service life, more effective anti-rust. Installation and Specifications Detailed instructions ensure worry-free installation. The product is 8 in high, the thread specification of inlet is 1 2 -14 NPT, suitable for s...