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Halco Lighting Technologies
Halco Lighting Technologies 3204 CFL Double Tube 4-Pin Electronic T4 Bulb G24Q-1 Base 13W 3000K Dimmable
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Halco Lighting Technologies
Halco Lighting Technologies 3215 CFL Single Tube 2 Pin T4 Bulb GX23 Base 13W 2700K Dimmable
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Halco Lighting Technologies
Halco Lighting Technologies 3217 CFL Single Tube 2 Pin T4 Bulb GX23 Base 13W 3500K Dimmable
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Halco Lighting Technologies
Halco Lighting Technologies 3218 CFL Single Tube 2 Pin T4 Bulb GX23 Base 13W 4100K Dimmable
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Halco Lighting Technologies
Halco Lighting Technologies 3220 CFL Single Tube 2 Pin T4 Bulb GX23 Base 13W 5000K Dimmable
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Halco Lighting Technologies
Halco Lighting Technologies 3222 CFL Single Tube 4-Pin Electronic T4 Bulb 2GX7 Base 13W 2700K Dimmable
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Halco Lighting Technologies
Halco Lighting Technologies 3223 CFL Single Tube 4-Pin Electronic T4 Bulb 2GX7 Base 13W 3500K Dimmable
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Halco Lighting Technologies
Halco Lighting Technologies 3224 CFL Single Tube 4-Pin Electronic T4 Bulb 2GX7 Base 13W 4100K Dimmable
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Halco Lighting Technologies
Halco Lighting Technologies 3225 CFL Single Tube 4-Pin Electronic T4 Bulb 2GX7 Base 13W 5000K Dimmable
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Halco Lighting Technologies
Halco Lighting Technologies 3232 CFL GU24 Base Spiral T2 Bulb 13W 2700K non-dimmable
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Halco Lighting Technologies
Halco Lighting Technologies 3237 CFL T2 Spiral T2 Bulb Medium (E26) Base 13W 3500K non-dimmable
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Halco Lighting Technologies
Halco Lighting Technologies 3243 CFL T2 Spiral T2 Bulb Medium (E26) Base 13W 5000K non-dimmable
Compact CFL Bulbs
What is a Compact / CFL Light Bulb?
A compact fluorescent lamp (CFL), also called compact fluorescent light, energy-saving light and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent light bulb; some types fit into light fixtures designed for incandescent bulbs. The lamps use a tube which is curved or folded to fit into the space of an incandescent bulb, and a compact electronic ballast in the base of the lamp.
Compared to general-service incandescent lamps giving the same amount of visible light, CFLs use one-fifth to one-third the electric power, and last eight to fifteen times longer. A CFL has a higher purchase price than an incandescent lamp, but can save over five times its purchase price in electricity costs over the lamp's lifetime. Like all fluorescent lamps, CFLs contain toxic mercury which complicates their disposal. In many countries, governments have banned the disposal of CFLs together with regular garbage. These countries have established special collection systems for CFLs and other hazardous waste.
The principle of operation remains the same as in other fluorescent lighting: electrons that are bound to mercury atoms are excited to states where they will radiate ultraviolet light as they return to a lower energy level; this emitted ultraviolet light is converted into visible light as it strikes the fluorescent coating (as well as into heat when absorbed by other materials such as glass).
CFLs radiate a spectral power distribution that is different from that of incandescent lamps. Improved phosphor formulations have improved the perceived color of the light emitted by CFLs, such that some sources rate the best "soft white" CFLs as subjectively similar in color to standard incandescent lamps.