Masterbuilt cannot be reached, nor do they accept comments.  They have NO customer support via web site, email, or telephone.  My 3 star rating includes a "1" for them.  The smoker's lowest temp I* can achieve is 200 degrees, too hot for many things I want to smoke.   That said, I gave a three in my review because Wayfair was super.  They shipped when promised, and actually delivered a day earlier than expected.  5 stars for them!  Wish there was a way to discuss the smoker with Masterbuilt.  I expect there is a workaround, but...