Leviton 75W GX23 and GX23-2 Lamp Base 13W 2-Pin Screw-Down Compact Fluorescent Lampholder, White with Black 26720-400 - The Home Depot
CFL 13watt PL bulb 2U 2-Pin GX23-2 27K 10,000 hrs
PL-C 13W/827/USA/2P/ALTO - 2 Pin GX23-2 Base - 2700K 13 Watt - CFL - P — Bulb Center
G23-2 and GX23-2 Base Comparison - YouTube
Simply Conserve GX23-2 horizontal PL 18-Watt EQ Single tube Daylight GX23-2 Pin Base LED Light Bulb (4-Pack) in the General Purpose Light Bulbs department at Lowes.com
2 Pin PL LED Lamp - Replaces 13 Watt- GX23-2 Base Lamps - Ballast Compatible or Bypass, 2700K and 520 Lumens
GX23-2 Pin Base - PL LED Light Bulbs 9W 5000K 800 Lumens 120V - 277V U – LEDMyPlace
Light Efficient Design LED-7312-35K-G3 - 2 pin PL LED Bulb, 7 Watt 870 Lumens, 3500K, Horizontal, Replaces 13W CFL, GX23 Base-2, Direct Or Bypass - Bees Lighting
GE 97586/975865 12-Pack F13DBX23/827/ECO 13-Watt Quad-Tube Compact Fluorescent Light Bulb, 2700K, 810 Lumens, T4 shape, GX23-2 2-pin base - Walmart.com
DYSMIO 13 Watt CFL Light Bulbs 2 Pin GX23-2 Base 4100K Cool White 13W High Output 800 Lumens Double Tube Compact Fluorescent Light Bulbs Plug-in 4 Pack - Amazon.com
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