Niagara Teflon Tape
One roll of Niagara Teflon Tape is more than enough to ensure a tight seal on a 1- or 2-showerhead installation. Simply wrap a bit around your shower arm threads before installing the showerhead to reduce leaks through the threads where the showerhead screws onto the shower arm. Keep a roll on hand to help reduce future water leaks through threaded plumbing connections throughout your home.