looks like the same/similar one southern prepper has done a few videos on. he seems to like it. it has to be steel to take the heat and running it outside for the first time should burn off most residue, off gassing. I've used the surplus tent heaters, it looks similar. they're cheap and do the job.
with that said, guys have nearly the same thing for almost nothing from scrap tanks or steel buckets. check out the pocket rocket stove for something pretty cool.
this isn't the best example, it's just the first I found