Best place to get a UVB bulb?

[djansen]

Try getting those 8.0 UVB bulbs for your water dragons, maybe even 10.0 if you want them to get alot of artificial sunlight.

thanks, I am a little confused though.
which one?
http://www.budgetlighting.com/store/...te&xm=on&ppinc

and i need it to screw into a light fixture not a tube.