LH0224 10 or 13w G24q-1, GX24q-1 4 pin CFL lamp holder/socket with 2
General 00658 - Snap-In CFL Lampholder for 26/32/42 watt 4-Pin (LH0658) - Walmart.com
LH0505 Stucchi 442V 2G11 4pin CFL lamp holder with two hole vertical mounting
Feit Electric 18-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-2 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD18E/HDRP - The Home Depot
LH0920 GX24q-4, 42w 4 pin CFL lamp holder/socket with two hole vertical mounting