The Waterpik Chrome RainFall+ Rain Shower Head features a 6-inch face, this rain shower head includes OptiFLOW® technology to improve water force. It features an adjustable designer arm that positions the flow directly overhead or at an angle. Enjoy the classic RainFall+ shower head for a stylish and unique shower experience. 2.5 GPM 6" Diameter Head. Advanced OptiFLOW® Technology.