Philips 13-Watt Equivalent CFLNI (GX23) 2-Pin Light Bulb Cool White (4100K) (1-Pack) 146852 - The Home Depot
Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 2-Pin GX23-2 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPLD13/41/HDRP - The Home Depot
Sunlite PL13/SP65K/10PK 2-Pin Fluorescent 13W 6500K Daylight U Shaped PL CFL Twin Tube Plugin Light Bulbs with GX23 Base (10 Pack) - Amazon.com
Philips 13W 2 Pin GX23 Warm White Single Twin Tube CFL Bulb | PL-S 13W/27 | Bulbs.com
Satco S8365 4100K 9-Watt 2G7 Base T4 Twin 4-Pin Tube for Electronic and Dimming Ballasts, 9Wt=45Wt, 4100K Bright White - Fluorescent Tubes - Amazon.com
Sunlite PL13/SP65K/10PK 2-Pin Fluorescent 13W 6500K Daylight U Shaped PL CFL Twin Tube Plugin Light Bulbs with GX23 Base (10 Pack) - Amazon.com
Feit Electric 13-Watt Equivalent PL CFLNI Twin Tube 2-Pin GX23 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPL13/41/HDRP - The Home Depot
Feit Electric 13-Watt Equivalent PL Twintube CFLNI Bi-Pin Plug-In GX23 Base CFL Replacement LED Light Bulb, Cool White 4100K (1-Bulb) BPPL13/841/LEDG2HDRP - The Home Depot
Feit Electric 13-Watt Equivalent PL CFLNI Twin Tube 2-Pin Plug-in GX23 Compact Fluorescent CFL Light Bulb, Bright White 3500K (6-Pack) BPPL13/35/HDRP/6 - The Home Depot
Lot of 10 Bulbs PHILIPS ALTO PL-S 13W-27 | eBay
CFT13W/841, CFL13S/841, SL13S/841,SU-13W/841, 2-Pin Plug-In CFL watt single tube pin gx23 base 4100k cool white plug-in cfl su-13w /841 landlite 13w single tube watt single tube pin gx23 base 4100k cool white
Philips 13W 2 Pin GX23 Warm White Single Twin Tube CFL Bulb | PL-S 13W/27 | Bulbs.com
Sunlite PL13/SP27K/10PK 2-Pin Fluorescent 13W 2700K Warm White U Shaped PL CFL Twin Tube Plugin Light Bulbs with GX23 Base (10 Pack) - Amazon.com
Philips 13W 2 Pin GX23 Warm White Single Twin Tube CFL Bulb | PL-S 13W/27 | Bulbs.com
Shopper's Guide to Compact Fluorescent Light Bulbs | EWG
Philips 13W 2 Pin GX23 Warm White Single Twin Tube CFL Bulb | PL-S 13W/27 | Bulbs.com
Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-1 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E/41/HDRP - The Home Depot
Lot of 10 Bulbs PHILIPS ALTO PL-S 13W-27 | eBay
Plug&Play] Legental 6w(13w CFL Equivalent) LED Stick PL Bulb GX23-2 Pin Base, 600LM, Warm White(3000k), Driven by 120-277V and CFL Ballast, UL Classified, 2 Pack - Amazon.com