13 Watt G24q-1 Base Double Tube CFL (Case of 100) – PrimeLights
LH0504 Stucchi 423V-Q G24q-2, GX24q-2 18w 4 pin CFL lamp holder with two hole horizontal mounting
CFQ18W/G24q/841 - 4 Pin G24q-2 Base - 4100 Kelvin
T4 Dulux G24q-1 Base 13W 120V 2700K by Raise Lighting | 20682 | RAI8578
26W Cool White (4100K) PLD Double Twin Tube G24Q-3 Base CFL Bulb
Green Creative 9.5W Omni Directional 4 Pin G24q 3500K, Ballast Compatible | 9.5PLO/835/DIR | Bulbs.com
TCP LED ELITE Bulb - 10.5W 5000K - 4 PIN CFL Socket Compatible With G24q/GX24q | eBay
Simply Conserve G24Q/GX24Q horizontal PL 12-Watt EQ Single tube Cool White GX24Q-4 Pin Base LED Light Bulb (4-Pack) in the General Purpose Light Bulbs department at Lowes.com