Standing directly under Wonder Showers 11" Adjustable Extension Arms Generous flow of Gushing water is a breathtaking experience. ?Wonder shower extension arms give tall people the ability to stand tall while enjoying a shower. A tall person will never again have to duct or stoop their head and upper body underneath the waters spray from the showerhead to rinse off while showering with the Wonder Shower 11" Adjustable Extension Arms. Extension arms fit all standard shower heads