Fluorescent Bulbs > ALL PRODUCTS
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Satco s8365 9w T4 Single-tube CFL 4100K
$9.99 -
Plusrite PL13W-1U-2P-827 13W PL Single Twin 2-Pin CFL Tube
$4.99 -
Satco s6416 9w T4 4100K Single Tube CFL
$13.99 -
Plusrite PL13W-1U-2P-841 13W PL Single Twin 2-Pin CFL Tube
$4.99 -
Plusrite PL13W-1U-4P-841 13W T4 Single Twin 4-Pin CFL Tube
$5.99 -
Plusrite PL7W-1U-2P-827 7W PL Single Twin 2-Pin CFL Tube
$4.99 -
Satco s6418 13w T4 3000K Single Tube CFL
$13.99 -
Satco s8310 13w T4 Single-tube CFL 2700K
$5.99 -
Satco s8368 13w T4 Single-tube CFL 3500K
$9.99 -
Satco s8312 13w T4 Single-tube CFL 4100K
$5.99 -
Satco s8364 9w T4 Single-tube CFL 2700K
$9.99 -
Satco s8301 5w T4 Single-tube CFL 4100K
$5.99 -
Satco s8362 7w T4 Single-tube CFL 2700K
$9.99 -
Plusrite PL5W-1U-2P-841 5W PL Single Twin 2-Pin CFL Tube
$4.99 -
Satco s6706 9w T4 Single-tube CFL 2700K
$9.99
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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.