4x 13W G24q-1, 4 pin, Low Energy CFL PL Double Turn Light Bulb Cool White Lamps – ASA College: Florida
LH0223 10 or 13w G24q-1, 4 pin CFL lamp holder/socket with bottom split pin horizontal mounting
Feit Electric 13-Watt Equivalent PL Quad Tube CFLNI 4-Pin Plugin G24Q-1 Base CFL Replacement LED Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E841LEDG2HDRP - The Home Depot
Feit Electric 13-Watt PL CFLNI Quad Tube 4-Pin Plug-in G24Q-1 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD13E/HDRP - The Home Depot
GE 97597 (4-Pack) F13DBX/841/ECO4P 13-Watt Quad-Tube Compact Fluorescent Light Bulb, Cool White 4100K, 900 Lumens, T4 Shape, G24q-1 4-pin Base - Walmart.com
Feit Electric 26-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-3 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD26E/HDRP - The Home Depot