15W (22W Replacement) Cool White (4100K) T9 Direct Replacement Circula
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
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
Plug & Play 12 Inch T9 Circline LED Bulb Ballast Required!
12w 90-240v G10q T9 Circular Led Tube Light - Led Bulbs & Tubes - AliExpress
Led Lamp Circular Fluorescent | Led Circular Fluorescent Tube - T9 Led 205mm 375mm - Aliexpress
Plug & Play 6 Inch T9 Circline LED Bulb Ballast Required!
How to Convert Circular Fluorescent to Led | 2GX13 Circular Tube Replacement - YouTube
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Convert Circline florescent fixture to LED or CFL - YouTube