I love when the all the info I typed in earlier posts on this thread that took a considerable amount of time to type and research is simply reguritated to the "T".Good luck cloud you have this covered. Unbelievable.Much appreciated.....
The only other company that comes to mind for Radiant Heat Panels is Reptile Basics. However, they are listing their heat panels as "out of stock"....you would need the 80 watt unit from them. I would stick with Pro-Products personally, no one ever complains about them and Bob will talk you through exactly what you need....but probably a 65 watt unit for a T8.
http://www.reptilebasics.com/rbi-radiant-heat-panels