Fluorescent Bulbs > ALL PRODUCTS
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Satco s7379 65w T5 Spiral CFL 6500K
$24.99 -
Satco s7440 85W T5 CFL Bulb
$46.99 -
Satco s6385 27w T4 6500K Quad Tube CFL
$22.99 -
Satco s7443 105W T5 CFL Bulb
$55.99 -
Ledvance CF23EL-SPIRAL-865 23W SYLVANIA Micro-Mini Twist CFL Lamp
$287.76($11.99/unit) -
Ledvance CF13EL-SPIRAL-865 13W SYLVANIA Micro-Mini Twist CFL Lamp
$239.76($9.99/unit) -
Satco s7441 85W T5 CFL Bulb
$49.99 -
Westinghouse 3707300 105W Twist CFL High Wattage Light Bulb
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Westinghouse 3796000 23W Mini-Twist CFL Light Bulb
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Westinghouse 3794300 13W Mini-Twist CFL Light Bulb
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Westinghouse 3796100 23W Mini-Twist CFL Light Bulb
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Westinghouse 3795400 18W Mini-Twist CFL Light Bulb
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Eiko sp23-65k 23w T2 CFL Lamp
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Satco s7442 105W T5 CFL Bulb
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TCP 4892365K 23W SpringLamp Pro CFL
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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.