8 in. 22W Warm White (3000K) 4-Pin T9 Fluorescent Circular CFL Bulb
NOMA 22W 8-in Circline Fluorescent Tube | Canadian Tire
T6 22W/32W/40W/55W 4PIN CIRCULAR/ROUND FLUORESCENT TUBE DAYLIGHT | Shopee Malaysia
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
CHKADAWA FC8T9/CW Circular Fluorescent Light Bulb, 8 Inch Circline T9 22W Lamp Tube Replacement for Round Ceiling Fixture, Ring Cool White Bulb 4100K 1350 Lumens, G10q 4 Pin Base, 2 Pack :
Philips 32-Watt 12 in. T9 Circline Linear Fluorescent Tube Light Bulb, Daylight Deluxe (6500K) (1-Pack) 262600 - The Home Depot
T9 LED Circline Light Bulb, 8 Inch 1600LM LED Circular Light, 13W Clear Cover 2700K Warm White Replacement for FC8T9 22-Watt Fluorescent Circular Bulb(FC8T9), Ballast Bypass Required, LED Bulbs - Amazon Canada
Konideke 7.25 Inch T5 22W Circular Fluorescent Light Bulb 6400K FC22 Round lamp Replacement for Zadro Floxite Rialto Makeup Magnifying Vanity Mirror : Amazon.ca: Tools & Home Improvement