Yes, T5 florescents. Each light covers a 4'x3.5' area. Here are the ones I use.
http://www.amazon.com/Hydro-Crunch-FLUORESCENT-LIGHT-SYSTEM/dp/B0099989Y2/ref=pd_sim_86_3?ie=UTF8&dpID=41iL%2B2K9rEL&dpSrc=sims&preST=_AC_UL160_SR160%2C160_&refRID=122JH4KKEBTQMPR6S8V4