Found these today on my local Facebook marketplace. They had 1 listed for sale, but when I went there. They had 15 of them. Of course, I now have more then i need. So I’ll sell a few
Detailed instructions and photos to make the Piedmont Pan water pan modification for the Weber Smokey Mountain Cooker, essentially an insulated water pan.
www.virtualweberbullet.com
If you mean to do this you need the charcoal not the water pan.
I reached out to Lane, these are still available and I think he's interested in selling, but he's got some issues with finding the right sized box for shipping.
Lane, if you can post the diameter of these bowls, it would assure folks that they'll fit properly in the 18.5" WSM.