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
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Plug & Play 16 Inch T9 Circline LED Bulb Ballast Required!
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
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Feit Electric 90789 - LED Circline Tube | LightBulbs.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 FC8/840/LED LED Bulb Linear T9 Lamp 22 W Equivalent G10Q Lamp Base Frosted Cool White Light: LED Linear U Shaped & Circuline Bulbs (017801907186-1)
Frcolor Light Bulb Bulbs E27 Fluorescent Lamp Led Circline Circular Bulbs Ring Garage Socket Vintage - Walmart.com