2pcs E-Simpo GX23 Pin-Base to E26/E27 Lamp Base Adapter CFL PL Lamp base to E26 E27 Edison Socket Holder Adapter, Gx23 to E26 Adapter (Gx23 to E26/E27, Double Tab,2P in Parallel) -
9)Feit 13-Watt Equiv 2-Pin GX23-2 Base Compact soft white CFL Light Bulb..D | eBay
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
Satco | 90-1544
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