The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
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Have you asked your LFS if they will order you one? I haven't seen them listed online in too many places.
I have never heard of them being illegal in Arizona.
Where in AZ are you? If you are in Phoenix I would highly recommend Aquatouch. If anyone could get one for you they could, and they will know if there are legal issues with acquiring them.