ok here goes my name is travis i live close to kansas city iam going to build myself a reverse flow smoker i picked up a 7.5 ft long piece of 24 inch pipe that has 3/8 wall rest will be 1/4inch .....started looking on ebay and found a blue MultiPro 205 then today on craigslist here there is a green MultiPro 205 for specs look like it will do more then i would ever need i will be running it on a 220 50amp line iam also looking at the PowerUltra 205 on your website will these do what i need ? and what else would i need ? thank you for a great forum oh yes i have not welded in over 25 years