Amazon | GE Lighting 33890 Cool White 12-Inch Diameter Circline Fluorescent Bulb, 32-Watt by GE Lighting | ジーイー(GE) | コンパクト形蛍光灯
32-Watt Cool White Circline Tube Fluorescent Light Bulb | Vanderhoof Hardware Company Inc.
30 Watt Fluorescent T9 Circline 8 In. Light Bulb with 4 Pin (G10Q) Base, 3000K - FC8T9/830/EL| 20210
GE 30-Watt 9-in 4-pin Circline 3000 K Warm White Circline Fluorescent Light Bulb in the Fluorescent Light Bulbs department at Lowes.com
T9 Led Circline Light Bulb 8 Inch Led Circular Ceiling Light Replacement For 22w Fc8t9 Ring Fluorescent Lamp Fixture Bulb G10q - Led Bulbs & Tubes - AliExpress
fluorescent tube and circline lamp
T9 Led Circline Light Bulb 8 Inch 12inch 85-265v Fc8t9 Replacement For 22w Circle Fluorescent Lamp Fixture G10q Led Circular - Led Bulbs & Tubes - AliExpress