Fluorescent Bulbs > ALL PRODUCTS
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Westinghouse 3800100 15W Globe CFL Light Bulb
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Westinghouse 3796000 23W Mini-Twist CFL Light Bulb
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Westinghouse 3737600 13W Double Twin Tube CFL Light Bulb
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Westinghouse 3790000 14W A Shape CFL Light Bulb
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Westinghouse 3795400 18W Mini-Twist CFL Light Bulb
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Westinghouse 3705900 13W Double Twin Tube CFL Light Bulb
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Westinghouse WH-0603000 40W 16" T9 Circular Fluorescent Light Bulb
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Westinghouse 3794600 13W Mini-Twist CFL Light Bulb
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Westinghouse 3704000 5W Twin Tube CFL Light Bulb
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Westinghouse WH-0601000 22W 8" T9 Circular Fluorescent Light Bulb
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Westinghouse 3794200 13W Mini-Twist CFL Light Bulb
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Westinghouse 3800200 15W Globe CFL Light Bulb
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Westinghouse 3796100 23W Mini-Twist CFL Light Bulb
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Westinghouse WH-0722500 23W Mini-Twist CFL Light Bulb
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Westinghouse 3798200 15W PAR30 CFL Glass Reflector Light Bulb
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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.