Fluorescent Bulbs > ALL PRODUCTS
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Satco s7792 65W T4 Triple Twin Tube CFL
$51.99 -
Satco s8227 13w T2 Spiral CFL 2700K
$10.99 -
Satco s8365 9w T4 Single-tube CFL 4100K
$9.99 -
Satco s6416 9w T4 4100K Single Tube CFL
$13.99 -
Satco s4438 13w T3 2700K Compact Fluorescent Bulb
$11.99 -
Satco s8321 18w T4 Double Twin 2-Pin CFL 2700K
$8.99 -
Satco s7379 65w T5 Spiral CFL 6500K
$24.99 -
Satco s6418 13w T4 3000K Single Tube CFL
$13.99 -
Satco s8228 18w T2 Spiral CFL 2700K
$11.99 -
Satco s8310 13w T4 Single-tube CFL 2700K
$5.99 -
Satco s8317 13w T4 Double Twin 2-Pin CFL 2700K
$8.99 -
Satco s8319 13w T4 Double Twin 2-Pin CFL 3500K
$8.99 -
Satco s8665 36w T5 Twin tube CFL 4100K
$11.99 -
Satco s6236 13w T2 4100K Spiral CFL 4-pack
$18.99 -
Satco s6275 23w T2 4100K Spiral CFL 3-pack
$19.99
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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.