Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 2-Pin GX23-2 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPLD13/41/HDRP - The Home Depot
Feit Electric 32W Equivalent PL CFLNI Triple Tube 4-Pin GX24Q-3 Base Compact Fluorescent CFL Light Bulb, Bright White 3500K (1-Bulb) BPPLT32E/35/HDRP - The Home Depot
Compact fluorescent lamp - Wikipedia
Compact fluorescent bulbs | Philips lighting
What is the difference between a fluorescent light and a CFL? - Quora
Feit Electric 18-Watt Equivalent PL CFLNI Triple Tube 4-Pin GX24Q-2 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLT18E/HDRP - The Home Depot