Feit 32 W T9 12 in. D Circline Fluorescent Bulb Cool White Circular 4100 K 1 pk - Ace Hardware
Replace 32W T9 Circular Fluorescent Tubes With 20W LED
Philips 32-Watt 12 in. T9 Circline Linear Fluorescent Tube Light Bulb, Daylight Deluxe (6500K) (1-Pack) 262600 - The Home Depot
Current GE LIGHTING 32W, T9 Circular Fluorescent Light Bulb FC12T9/D | Zoro
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Circle fluorescent light bulbs 866-637-1530
GEL33774 Circular GE Fluorescent Light Bulbs | OnTimeSupplies.com
Bulbmaster FC12T9/CW 32 Watts 12 Inch Round T9 Fluorescent Circular Light Bulb, Cool White 4100K, FC12T9 1930 Lumens G10Q 4-Pin Base 32W Circline Ceiling Lights - Amazon.com
Sunlite 32-Watt T9 Round Fluorescent Light Bulb Warm White (4-Pack) HD41868 - The Home Depot