CAD Drawings CAD Drawings are provided as reference-only representations of the product. For latest dimensions always consult the current submittal sheet. Available CAD Drawings Variation Description Floor Sink: 12" Square Nikaloy Top, 6" deep with Drainage Flange -NB-20 49320A-NB-20 with Solid Nikaloy Cover -NB-6 Sanitary Floor Sink 12" square top, 6" deep with wide flange