Bluex Bulbs BlueX LED 60-Watt EQ 4-in Warm White Miniature Bi-pin (t5) Circline Type A or Type B LED Tube Light Bulb in the LED Tube Light Bulbs department at Lowes.com
13 Watt T5 Preheat Linear Fluorescent Lamp - Warm White (3000K) - G5 (Miniature Bi-Pin) - Philips - F13T5/30U [207035]
Lightwise LWL7W40-F13T5 21" Direct Replacement Led Tube, 7-Watt, White, 4000K, Set of 5 - Walmart.com
F13T5/WW LED - 21 in. LED T5 Tube - Satco S11907 7W/LED/T5/830/BP - Ballast Bypass | CityLightsUSA.com
Feit Electric 13-Watt 21 in. T5 G5 Linear Fluorescent Tube Light Bulb, Bright White 3000K (1-Bulb) F13T5/WW/RP - The Home Depot
4 Pack T5 21 Inch LED F13T5WW LED Replacement Bulb F13T5 LED 9 Watts 920 Lumens Warm White 3000k F13 T5 13 Watt Bulb
13 Watt 3000K F13T5 20" G5 Base – UnitedBulbs.com
Pack of 2) F13T5/WW 13-Watt T5 Fluorescent Warm White 3000K Light Bulb 20,000-Hour - - Amazon.com
4 Pack LED Tube L13 F13T5/30K 21" INCH 8W 13W G5 Mini 2Pin Base 3000K Warm White 817300022126 | eBay
4 Pack LED Tube L13 F13T5/30K 21" INCH 8W 13W G5 Mini 2Pin Base 3000K Warm White 817300022126 | eBay