FC8T9 Circline LED Bulbs for Thin-Lite fixtures and Irwin yachts
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
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, Tunable White FC8/3CCT/LED - 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
12w 90-240v G10q T9 Circular Led Tube Light - Led Bulbs & Tubes - AliExpress
Convert Circline florescent fixture to LED or CFL - YouTube
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Replace 32W Circular Fluorescent Tubes With 20W LED