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
HM LH0985 Converts a GX23 lamp holder to an E26/E27 medium base lamp holder
4pcs GX23 to E26/E27 Bulb Socket Adapter GX23 Lamp Bulb Base Adapter,CFL GX23 to Screw Edison E26 E27 Lamp Holder Converter(Pack of 4) - Walmart.com
Philips 13-Watt Equivalent CFLNI (GX23) 2-Pin Light Bulb Cool White (4100K) 146852 - The Home Depot
2 Pin PL LED Lamp - Replaces 13 Watt- GX23 Base Lamps - Ballast Compatible or Bypass, 3000K
GX23 Led Light Bulbs, 2-Pin, LED PL Lamp, 9W 5000K 800 Lumens
E-Simpo 2pcs 7W GX23 LED Bulb 2-Pin LED PL Bulb Retrofit Lamp CFL13W Replacement 180° View Angle 6000K Cold White LED PL Horizontal Recessed Down Light Bulb(Need Bypass Ballast) (Cold White, GX23