I have been wanting to upgrade my system this year, and move to a proper 15 Gallon kettle (going for @SpikeBrewing boil kettle) But I can't find a good Mash Tun. The closest I can find is from SS Brew Tech:
https://www.ssbrewtech.com/collections/mash-tuns/products/infussion-mash-tun
(and if...