What is the dimension of your REPLACEMENT POTTY CHAMBER? (outside diameter of rim) We seem to have lost our daughters bowl and now need for grandson.
Width of the bowl including lip (total width) - 7 3/8"
Width of bowl at the top (inside) - 6 1/8"
Width of bowl at the bottom inside) - 5 1/8"
Total height of the exterior of the chamber bowl - 2 7/8"