This wall mounted shower arm can be used as a replacement for an existing shower arm or for a new shower installation. 16 in. L, it provides some wall spacing for you to enjoy your shower time. The shower extension arm has standard 1/2 NPT connections on both ends, making the installation process simple and easy. The shower arm with flange can be attached to a round or square shower head, whichever you prefer. Made of high quality stainless steel, brushed nickel shower arm is resistant to corrosion and rust, so there is no need to worry about needing to replace it anytime soon. The included thread teflon tape ensures that the shower arm is drip-free.