You may be referring to the "water hole". I placed it right in the stainless steel bowl so that it fits in the food stand.

https://www.amazon.com/Valterra-Water-Hole-Spill-Proof-Dish/dp/B001XP358U/ref=sr\_1\_1?keywords=water+hole+pet+dish&qid=1670955262&sr=8-1