This part is a 2 1/2" Titanium colored 1" Waterfall or Neck Jet Control Cap.
This Cap Screws onto the Control Body that measures about 1 3/4" wide and Slides over the Diverter Valve Stem is used to operate a Waterfall or Neck Jet Valve.
Note: If you need the O-Ring kit you can add it when checking out..
This listing is for the Cap only, the valve is sold separately.