The controller for my Masterbuilt smoker was the exact part I needed. Finding it was easy on their site and ordering was quick and easy also.
Media shield-left-for: ada/asa/aua7112
(s) 28-134, evap media shield - left 71-12 series
Buy this part and as many parts as you like and pay only $9.99 shipping, within the Contiguous United States.