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I have seen a few pictures of people using them. I have no personal experience with them though. Surely someone else has a better answer for you. Can't wait to see pictures of your UDS.
I have a BBQ Guru that i use on my UDS and it is the most efficient heat i have seen! I have held 275* for over 20hrs! It is well worth the money. Not to mention once the temp is set, you can get some sleep while your pork or your brisket smokes overnight.