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
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
LED Lamps Recycling Technology for a Circular Economy — LED professional - LED Lighting Technology, Application Magazine
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
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
12 Inch 16 Watt FC12T9 LED Circline Bulb Ballast Bypass – Green Electrical Supply
T9 Circular LED Bulb Replaces FC8T9/WW - 8 inch, 11 Watt, 1200 Lumens, 3000K Soft White - Ballast Bypass
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
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
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
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
Feit Electric Compact Fluorescent Circular Light Bulb - On Sale - Bed Bath & Beyond - 11637552