SYLVANIA T5 Circline Fluorescent Tube Light Bulb, 40W, Soft White Color Temperature, 1 pack - Fluorescent Tubes - Amazon.com
Source G10q 205mm 225mm 14w 20w circle lights t9 led circular lighting 11w 12w 18w tube circline bulbs 300mm on m.alibaba.com
Feit Electric 16-Watt 9 in. T9 G10q Type A Plug and Play Linear Circline LED Tube Light Bulb, Selectable White FC9/3CCT/LED - The Home Depot
RCB64 Circline Ballast
TCP LED Circline Lamp With Connector 13W T9 Non-Dimmable 50000 Hours 4100K 2000Lm Frost (L13T9N5041K)
TCP 13 Watt 8.75 Inch T9 Circline LED Bulb, 3000K, Enclosed Fixture Rated | LED 13W T9 CIRCL W CONN 30K | Bulbs.com
Circline LED Magnifier Lamps
Amazon.com : Feit Electric FC9/3CCT/LED Non Dimmable Indoor 9" LED Circline Light Bulb; Warm White, Cool White Or Daylight With A Standard Light Switch; 1400 Lumens, 16 Watt Input Power, 25000 Life
lumenivo 40W Circline Replacement Bulb 2CT6 Bulb 2800K Circline Fluorescent Lamp Bulb - Double Circle Light Bulb with G10Q-4 4 Pin Base in a Square - 1 Pack - Amazon.com
case of 6) Sylvania 23537 Bright White/Warm White Premium Circline Fluorescent T9 Circle 8 inch diameter, 22 watts, 3000K, 1100 lumens, 80 CRI fluorescent light bulb - Walmart.com