I'm using an M-10 with a Mini cc torch and I love it. I don't have anything to compare it to since all of this is new to me and this is the only torch and only concentrator I've ever used other than the Minor and tank oxy at school, but I don't have any complaints with my set-up.
It's very quiet. Wish I could say the same for that jet engine fan I'm using! Mmm...what else? I'm only working with soft glass. I don't know if I'd be able to melt boro using this concentrator or not.
Lil
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