Multifunction system for ceiling installation 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 included with remote watertight control and hook 12V power supply RIR5402 required, not included to be purchased separately To be complemented by cover 57977