Philips 13W Warm White T2 Spiral CFL Bulb, E26 Base | EL/mdT2 13W | Bulbs .com
Maxlite 60W Equivalent Soft White (2700K) Spiral CFL Light Bulb MLS13GUWW - The Home Depot
GE 13W 4 Pin G24q1 Neutral White Double Twin Tube CFL Bulb | F13DBX/835/ECO4P (4-Pin) | Bulbs.com
Longstar 13W Warm White GU24 CFL FE-IISG-13W/27K
4PK 13W T2 DL CFL BULB - Modern Hardware | Modern Hardware
Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 2-Pin GX23-2 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD13/HDRP - The Home Depot
Bulbrite 13W 120V Warm White CFL Bulb, E26 Base - 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
H-E-B Instant On 13-Watt Soft White CFL Light Bulb - Shop Light Bulbs at H-E-B
13 Watt Light Bulb | Case of 12: Compact Fluorescent CFL Coil Bulb