8-Inch Square Ceiling Mounted Shower Arm for Rain Shower HeadsExtendable shower arm for ceiling application Brass construction 1 2 inch NPT thread Fits virtually all showerheads Limited Lifetime Warrant Product Features: Fully covered limited lifetime warranty Constructed from solid brass Superior finishing process finish covered under lifetime warranty Shower Arm Length: 8" An adjustable wall flange is included 1 2" threaded male inlet, 1 2" threaded male outlet Ceiling mounted shower arm design for rain shower