Cover & O-Ring Kit, Cap, HydroAir , Waterfall Control Valve, 1", Gray, Measures 2 1/2" Wide

This item is a Gray Notched Replacement Diverter Cap & O-Ring Kit 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..