Multifunction system for ceiling installation 12” x 19-7/8” RAINFALL/WATERFALL/MIST functions and chromotherapy effect 1/2” connections Max Flow rate 1.75 GPM with RIR5404 reducer for single exit (to be purchased separately) Electronic parts includedwith remote watertight control and hook 12V power supply RIR5402 required, not included to be purchased separately To becomplemented by cover 57882