i used similiar air pots and i seemed to keep the plants shorter and branchier.
now i simply use recycleable dollar store bags.dollar general a dollar store in nearly every town near where i live.they have a black cloth shopping bag with handles works better than the other gray fabric root pots ,they held moisture a little better,and plants grew taller.ive used the dollar store bags twice and they seem in good of enough shape to use another time.the best part is that they only cost 50 cents a piece,spend the coin else where in your grow maybe fans or light rail :)