Ebay link
There are no bids on this smoker, $450 may be ok but it is an a 2003 smoker. If you are interested in this smoker track and see if it bidding ends with no bids. You can can PM the owner and give him a bid lower. I have done this a couple of times. You should pm him and ask questions about the smoker and see if you can exchange email addr.
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Here is another one and I think this may be a deal 1/2" thick steel..