Square 12" Inch rain head pressure balance 2 or 3 way function diverter option with square slide bar shower kit CUPCSolid brass no plastic We dont cut corners we use solid brass components. Pressure balance rough in valve with 2 or 3 way tub spout function Only the sprayer is ABS plastic because hot water is a conductor of heat to avoid scalp your hand. The sprayer has 2 mode options 12 Inches square rain head 16 Inch arm shower wall mounted or 6" inches ceiling mounted arm option Foldable tub spout Rough in included Completed shower kit