Wall Fitting , Pentair, Diverter Jet, 3-Port, Flange Below is a link to the parts that this flange fits.. Diverter Jet Internal, Pentair 3 Port Diverter, 4-5/8", Face Diameter, Directional, Gray
This part is a Wall Fitting, Waterway, Poly Jet, 3-1/8" face diameter, 2-5/8" hole size, White.. I use Silicone to seal it not a gasket.. Click here for links to Silicone..