T9 LED Circline Light Bulb, 12 Inch 2700LM LED Circular Ceiling Light, 22W Clear Cover 6000K Daylight Replacement for 32W Circular Fluorescent Light Bulb(FC12T9), Ballast Bypass Required - - Amazon.com
Feit Electric 12 in. 20-Watt (32-Watt Equivalent) T9 Cool White 4100K G10Q Circline LED Light Bulb (4-Pack) FC12/840/LED/4 - The Home Depot
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Plug & Play 12 Inch T9 Circline LED Bulb Ballast Required!
LED Replacement for 8" Round Tube Lights
LED Replacement for Circline Fluorescent Tube 8inch 8.86inch 11.8inch AC90-240V
12w 90-240v G10q T9 Circular Led Tube Light - Led Bulbs & Tubes - AliExpress
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
LED Replacement for Circline Fluorescent Tube 8inch 8.86inch 11.8inch AC90-240V
Feit Electric 15-Watt 8 in. T9 G10q Type A Plug and Play Linear Circline LED Tube Light Bulb, Daylight Deluxe 6500K FC8/865/LED - The Home Depot
AMATRON ETL Listed 16" T9 24W LED Circline Bulb LED Circular Tube 5000K Daylight Frosted Lens with Non-Dimmable External Power Driver to Replace 16 inch 40W Fluorescent Circline - Led Household Light
LED Panel Light replacement for Circular Fluorescent Tube Lamp
Convert Circline florescent fixture to LED or CFL - YouTube
T9 LED Circline Light Bulb, 12 Inch 2700LM LED Circular Ceiling Light, 22W Clear Cover 6000K Daylight Replacement for 32W Circular Fluorescent Light Bulb(FC12T9), Ballast Bypass Required - - Amazon.com