Fluorescent Bulbs > ALL PRODUCTS
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TCP 48923 23W SpringLamp Pro CFL
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TCP 33123SP41K 23W CFL Spring Lamp
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TCP 4892741K 27W SpringLamp Pro CFL
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TCP 4892350K12 23W T3 CFL Full Spring Lamp 12 Pack
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TCP 801023413 23W Spiral SpringLight CFL 3-pk
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TCP 32426T41K 26W PL Triple Tube CFL Lamp
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TCP 4892730K 27W SpringLamp Pro CFL
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TCP 4892330K12 23W T3 CFL Full Spring Lamp 12 Pack
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TCP 80102350 23W Spiral SpringLight CFL
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TCP 4892712 27W T3 Ultra Compact CFL Lamp 12-Pack
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TCP 4892341K 23W SpringLamp Pro CFL
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TCP 33127SP30K 27W CFL Spring Lamp
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TCP 80102335 23W Spiral SpringLight CFL
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TCP 1902741K 27W SPRINGLAMP PRO 3-WAY CFL
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TCP 5802750K 27W TruStart CFL Spring Lamp
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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.