Philips 22W 8 In. Bright White T9 4-Pin Circline Fluorescent Tube Light Bulb - Hurn Lumber Company
Westinghouse
Westinghouse
4 Easy Ways to Change a Circular Fluorescent Light Bulb - wikiHow
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
4 Easy Ways to Change a Circular Fluorescent Light Bulb - wikiHow
Konideke 7.25 Inch T5 22W Circular Fluorescent Light India | Ubuy
Feit 22W Cool White Fluorescent Circular Bulb (FC8T9CW)
T9 Ring Tube 22W Circle Fluorescent Lamp Energy-saving Light Bulbs Outer Diameter 20.5cm for Magnifier Lamp
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey