250w ballast by advance

[hondo]

Just looking for info on these Ballasts (they are the ones Aquaticlight.com has on their retro kits). I am trying to order this ballast through a local electrical supplier and need model and type info

 

[kdlbem]

Here's a link to the website that has the model #'s for the advance ballasts, just click on the articles link.
http://aquarium.union.rpi.edu/rpi.html
Enjoy,
B