Sterl Lightning Circular Fluorescent Light Bulbs 12 inch Round Size - 32 Watts Circle LED Light Bulbs 4100K Cool White, 1925 Lumens, 4-Pin Base (G10q) 12000 Life Hours, Circline Ceiling Lights 2 Pack - Amazon.com
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Feit Electric Color select 22-Watt EQ Cool White G24D-2 Pin Base LED Light Bulb in the Tube Light Bulbs department at Lowes.com
THECOSKY T9 LED Circline Light Bulb, 12 Inch 3000 LM LED Circular Ceiling Light, 22W Clear 2700 K Warm White Replacement for 32W Circular Fluorescent Light Bulb (2700K, 12 inch) - Amazon.com
Circle LED Light G10q 205mm 11w 300mm 18w 225mm 15W 375mm 25W LED Circular Tube Lamp 375mm circline LED Lamps T9 Led Round Tubes - AliExpress
NYLL - 16 Inch/ 16" Plug & Play T9 Circline LED Lamp - Cool White (4100K) Circular Bulb Directly Relamp 40 Watt Fluorescent Bulb FC16T9/CW, FCL40 (without rewiring or modification) - Ballast Required! - Amazon.com
Circular Bulb Replacement in Desk Lamp - Robot Room
1650LM LED Circular Light,No Flicker T9 LED Circline Light Bulb, 12W Clear cover 2700K Warmwhite Replacement for FC8T9/CW 22W Fluorescent Circular Bulb, Ballast Bypass Required (2700K, 8inch/205mm) - Amazon.com
T9 LED Circline Light Bulb, 8 Inch 1600LM LED Circular Light, 13W Clear Cover 6000K Daylight Replacement for FC8T9/CW 22-Watt Fluorescent Circular Bulb(FC8T9/CW), Ballast Bypass Required - Amazon.com
Circular Bulb Replacement in Desk Lamp - Robot Room
Feit Electric 15-Watt 8 in. T9 G10q Type A Plug and Play Linear Circline LED Tube Light Bulb, Selectable White FC8/3CCT/LED - The Home Depot