Fluorescent Bulbs > ALL PRODUCTS
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Satco s7229 23w T2 Spiral CFL 5000K
$9.99 -
Satco s7231 26w T2 Spiral CFL 2700K
$10.99 -
Satco s7233 26w T2 Spiral CFL 5000K
$10.99 -
Satco s8206 23w T2 Spiral CFL 2700K
$11.99 -
Satco s8210 23w T2 Spiral CFL 4100K
$11.99 -
Satco s8325 26w T4 Double Twin 2-Pin CFL 2700K
$8.99 -
Satco s8328 26w T4 Double Twin 2-Pin CFL 4100K
$8.99 -
Satco s8345 26w T4 Triple-tube CFL 2700K
$10.99 -
Satco s8660 24w T5 Single-tube CFL 3000K
$11.99 -
Satco s8661 24w T5 Single-tube CFL 3500K
$11.99 -
Satco s8662 24w T5 Single-tube CFL 4100K
$11.99 -
Plusrite PL26W-3U-4P-827 26W PL Triple Twin 4-Pin CFL Tube
$8.99 -
Satco s6021 22w T5 5000K Dual Tube CFL
$22.99 -
Satco s6022 28w T5 2800K Dual Tube CFL
$19.99 -
Satco s6274 23w T2 2700K 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.