Philips Lighting 391169 C-T9 Circline Fluorescent Lamp 20.5 Watt G10q Base 1050 Lumens 62 CRI 4100K 8 Inch Length Cool White Alto Plus - Walmart.com
Philips Linear Fluorescent 40-Watt T9 Circline Cool White Light Bulb | 1143492 | Pep Boys
Satco Part # S6504 - Satco 32-Watt 12 In. Circline T9 G10q Base Fluorescent Tube Light Bulb In Daylight (Case Of 12) - Fluorescent Light Bulbs - Home Depot Pro