Dimmable t5 ballast HEP SD218-40. Both reflectors came off an ATI (24"). They have a small amount of build up on them which could likely be cleaned back to new. I'll sell the ballast and reflectors together for $40 shipped obo.
Ballast info- http://www.bulkreefsupply.com/t5-dimmable-ballast-24w-39w-ati.html
Ballast info- http://www.bulkreefsupply.com/t5-dimmable-ballast-24w-39w-ati.html

