4 Foot Fluorescent T5 Lamps from GE
There are various 4' T5 options available from GE. Standard GE Ecolux 4' T5 tubes are 28W. High output standard T5's are 54W, and the GE Watt-Miser energy-saving series has 47W and 51W HO T5s. There are also Long Life High Output T5's that last 60,000+ hours compared to the 30,000 standard.