Satco S8228 Satco 18 Watt T-2 GU24 Base 2700K Squat Spiral Energy Star Certified 10000 Hour C.U.L. Listed Compact Fluorescent Light Bulb (CFL)
Feit Electric 100-Watt Equivalent T3 Spiral Non-Dimmable GU24 Base CFL Compact Fluorescent Light Bulb, Daylight 6500K BPESL23TM/GU24/D/CAN - The Home Depot
Feit Electric 60-Watt Equivalent T3 Spiral Non-Dimmable GU24 Base CFL Compact Fluorescent Light Bulb, Cool White 4100K BPESL13T/GU24/41K - The Home Depot
TCP 33118SP 18W SpringLamp GU24 Base Light Bulb - BulbConnection.com
18W 120V T2 GU24 Spiral Squat CFL Bulb by Satco Lighting at Lumens.com