Feit Electric 8 in. 15-Watt (22-Watt Equivalent) T9 Cool White 4100K G10Q Circline LED Light Bulb (4-Pack) FC8/840/LED/4 - The Home Depot
BULBMASTER FC8T9/WW 22 Watts 8 Inch Round T9 Fluorescent Circular Light Bulb, Warm White 3000K, FC8T9 980 Lumens G10Q 4-Pin Base 22W Circline Ceiling Lights - - Amazon.com
Feit Electric Color select 22-Watt EQ 8-in Cool White G24d-2 Pin Base Circline Type A LED Tube Light Bulb in the LED Tube Light Bulbs department at Lowes.com
Feit Electric Color select 22-Watt EQ 8-in Cool White G24d-2 Pin Base Circline Type A LED Tube Light Bulb in the LED Tube Light Bulbs department at Lowes.com