2 x 21" 13W T5 Fluorescent Tube Cool White [4000k] (Osram 4050300008974) - - Amazon.com
Osram Sylvania 20906 Sylvania Pentron Eco Linear Fluorescent Lamp T5, High Output, 4100K, Mini Bipin, 48", 54W, 230V, Plastic, 0.6" x 45.75" x 0.6" (Pack of 40) - - Amazon.com