SLEEKLIGHTING 13 Watt Blue Spiral CFL Fluorescent Light Bulb UL Listed - General Purpose Spiral CFL Blue Light Bulbs -120 Volt, E26 Medium Base.(Pack of 4) - Amazon.com
GE Lighting 63253 Reveal Spiral CFL 13-Watt (60-watt replacement) 800-Lumen T3 Spiral Light Bulb with Medium Base, 1-Pack - Compact Fluorescent Bulbs - Amazon.com
Satco 13 W T2 1.81 In. D X 4.13 In. L Cfl Bulb Cool White Spiral 4100 K 4 Pk : Target
13 Watt CFL Spiral Light Bulb – BT Furnishings
Feit Electric 13-Watt Equivalent PL Quad Tube CFLNI 4-Pin Plugin G24Q-1 Base CFL Replacement LED Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E841LEDG2HDRP - The Home Depot
HydroFarm - SunBlaster 13W CFL Bulb #CFL13W
Satco 13 watt Fluorescent T2 Spiral CFL Bulb 13 W 60 W Incandescent Equivalent Wattage 120 V AC 900 lm Spiral T2 Size White Light Color E26 Base 12000 Hour 4400.3 F 2426.8 C Color Temperature - Office Depot
13 Watt T2 Super Mini Spiral CFL Bulb
Sleeklighting 13 Watt Spiral CFL Black Fluorescent Light Bulb Medium Base UL-Listed - Walmart.com
4 Pack Spiral CFL Fluorescent 13 Watt =60W Twist and Lock GU24 2700K Warm White | eBay