This item is a Replacement Diverter Cap for a 1" Waterfall or Neck Jet Control.. The inside thread measurement is about 1 5/8" and the center hole is about 3/4".. It uses (2) Small o-rings and one O-Ring Gasket that measures about 1 1/2" center to center..
We offer this cap with the O-rings in a kit here.. Replacement Cap & O-Ring Kit, Waterfall, 1", Diverter Valve, White, 602-4360
