Westbrass Chatham Style Adjustable Spray Shower Head with 1-1/8" Face, Chrome, 562-1 Use PTFE pipe joint tape for a tight seal to the shower arm threads (consider West brass D4301-40) Turn side handle to convert the flow from a ring of water to a more concentrated flow of individual sprays 1/2 in. IPS female connection with swivel 2.25 gallons per minute flow rate Arm and flange purchased separately (consider West brass D301-1-26)