Philips 32-Watt 12 in. Linear T9 Circline Fluorescent Tube Light Bulb Bright White (3000K) 391227 - 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
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
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Westinghouse 602300 32 watt T9 Circular Fluorescent Light Bulb, Warm White - Pack of 12 - Walmart.com
913818-3 GE Lighting 22 Watts Circular Fluorescent Lamp, T9, 4-Pin (G10q), 1100 Lumens, 4100K Bulb Color Temp. | Imperial Supplies
Circular Fluorescent Light Bulb 10 W - LAMP12/10
Feit Electric Color select 32-Watt EQ 12-in Cool White G24q-2 Pin Base Circline Type A LED Tube Light Bulb in the LED Tube Light Bulbs department at Lowes.com
Replace 32W Circular Fluorescent Tubes With 20W LED
Circular Fluorescent Light And Light Bulb Stock Photo - Download Image Now - Black Background, Ceiling, Circle - iStock
4 Easy Ways to Change a Circular Fluorescent Light Bulb - wikiHow
Lighting Supply Blog: A Little Light Reading - LIGHTING SUPPLY
Philips 32-Watt 12 in. T9 Circline Linear Fluorescent Tube Light Bulb, Daylight Deluxe (6500K) 262600 - The Home Depot