look closer. I think it has one of those rolling out type drain sleaves, that will roll out when it fills and then roll back when its empty

upon further review, you are right, it looks like a s-trap on the end

MSR XGK-EX > every other camping stove

its only problem is that its basically a rocket engine and you have to diffuse the heat because it will melt a pan if your not careful

Ethically sourced and 100% natural from local Bubblegum walls.