Jet Part with 316SS Escutcheon 6540-643 or SUN6540-643 for select Sundance Spas and other brand hot tubs.
This Fluidix part used in in Ground Models 2001 and newer and also:
Fluidix ST Jet 2007 and newer spa models
880 Series 2007 and more recent hot tub models.
Select Series 2011 and newer spa models.
880 Aspen 2012 and newer models.
This part is the Fluidix ST jet face with 316 stainless steel escutcheon.
