UNITEDLUX E26 Spiral CFL Light Bulbs Medium Base 13Watt (60Watt Equivalent) Soft White 2700K, 1040Lm Non-dimmable Compact Fluorescent Light, (3 Pack) - Yahoo Shopping
Feit Electric 60-Watt Equivalent T3 Spiral Non-Dimmable E26 Medium Base CFL Compact Fluorescent Light Bulb, Soft White 2700K (48-Pack) ESL13T/12/4 - The Home Depot
Feit Electric 60-Watt Equivalent T3 Spiral Non-Dimmable GU24 Base CFL Compact Fluorescent Light Bulb, Daylight 5000K (2-Pack) BPESL13T/GU24D/2HDRP - The Home Depot
Are all incandescent light bulbs dimmable? Why or why not? - Quora