GE Current F13T5/WW Linear Straight Fluorescent Lamp, 13 W, G5 Miniature Bi-Pin Fluorescent Lamp, 870 Lumens Initial/720 Lumens Mean, 52 CRI, 3000 K, 21 in L | State Electric
4 Pack T5 21 Inch LED F13T5CW LED Replacement Bulb F13T5 LED 9 Watts 920 Lumens Cool White 4100k F13 T5 13 Watt Bulb - - Amazon.com