What kind of hair straighteners do they use at Structures salons?

I was just wondering what brand of hair straighteners the salon Structures use. Is it CHI?What kind of hair straighteners do they use at Structures salons?
i never even heard of that salon, but this is the straightener i use


http://www.beautychoice.com/products/Pure_GHD_IV_Styler-11969-0.html


its a little pricey, but it works extremely well