Fluorescent Bulbs > ALL PRODUCTS
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Satco s4438 13w T3 2700K Compact Fluorescent Bulb
$11.99 -
Satco s8207 26w T3 Spiral CFL 2700K
$11.99 -
Satco s8233 26w T3 Spiral CFL 3500K
$11.99 -
Plusrite CF15PAR30-841 15W PAR30 CFL Reflector Lamp
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TCP 48909SS50K 9W T3 CFL Bulb
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Plusrite CF15PAR30-850 15W PAR30 CFL Reflector Lamp
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Plusrite CF26ET3-SP-GU24-SW 26W T2 Mini Spiral CFL Lamp
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Plusrite CF15PAR30-SW 15W PAR30 CFL Reflector Lamp
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Westinghouse 3798200 15W PAR30 CFL Glass Reflector Light Bulb
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TCP 4893212 32W T3 Ultra Compact CFL Lamp 12-Pack
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TCP 4892350K12 23W T3 CFL Full Spring Lamp 12 Pack
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Turolight EDGE-T3-13W-27-GU 13W EDGE T3 Spiral CFL Lamp
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TCP 4891350K 9W T3 CFL Full Spring Lamp
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TCP 4892312 23W T3 Ultra Compact CFL Lamp 12-Pack
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TCP 4892330K12 23W T3 CFL Full Spring Lamp 12 Pack
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Benefit from the energy-saving and long-lasting properties of fluorescent lighting. This popular technology generates light by running an electric current through a tube filled with mercury-vapor gas. Some fixtures come with added protection by means of tube guards for fluorescent lights that can slide over the linear tube light to protect it or even to change the color of the light. Fluorescent bulbs come in different shapes, most commonly linear fluorescent lamps, circular fluorescent lamps or compact fluorescent lamps. Some popular models include T4 twin tubes, T12 or T8 bulbs, commonly used in commercial applications. T8 light bulbs also come as U-bend or shatter-proof fluorescent tubes for added versatility of applications. Explore our different categories and selection of fluorescent light bulbs 4 inches to save money and energy while providing the ideal illumination for your project.