Feit Electric 15-Watt 6 in. T8 G13 Type AB Plug and Play and Ballast Bypass Linear U-Bend LED Tube Light Bulb, Cool White 4000K T848/840/AB/U6/LED - The Home Depot
GE 23663 - F40/SP41/U6/CVG U Shaped T8 Fluorescent Tube Light Bulb - Walmart.com
Philips 32-Watt Equivalent U-Bend Linear T8 Type A InstantFit Daylight LED Tube Light Bulb (5000K) (1-Pack) 544882 - The Home Depot
jimwhen 10 Pack T8 T10 T12 U-Bend Light Fixture,LED U Shaped Bulbs,18W(40W Equivalent),2200LM Super Bright,5000K Daylight,Dual-End Powered,Ballast Bypass,2FT LED U Bent Light Bulb for Office,School - Amazon.com