4" fitting?

[Kody]

Does anybody know what kind of fitting this is? It's a 4" wye with a 2" side fitting. I can't find this anywhere online? Hopefully somebody on here will know.

 

[Mr_David]

Page 49 http://www.charlottepipe.com/Documents/DimensionalCatalogs/Plastic_Pipe_Fittings_DC-DWV(609).pdf