Fluorescent Bulbs > ALL PRODUCTS
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Eiko sp27-41k 26w T2 CFL Lamp
$11.99 -
Eiko sp19-27k 18w T2 CFL Lamp
$5.75 -
Eiko qt13-27 13w T4 Quad-Tube CFL
$57.50($5.75/unit) -
Eiko sp27-50k 26w T2 CFL Lamp
$5.99 -
Eiko sp19-35k 18w T2 CFL Lamp
$4.75 -
Eiko sp13-27-gu24 13w CFL Lamp
$6.99 -
Eiko sp105-41-med 105w CFL Lamp
$101.99 -
Satco s6648 40W T12 Fluorescent Tube 4100K (2-pack)
$179.85($11.99/unit) -
Satco s6649 40W T12 Fluorescent Tube 6500K (2-pack)
$179.85($11.99/unit) -
Satco s8227 13w T2 Spiral CFL 2700K
$10.99 -
Plusrite FTL40W-2G11-841 40W FTL Twin Long 4-Pin CFL Tube
$14.99 -
Plusrite FTL40W-2G11-835 40W FTL Twin Long 4-Pin CFL Tube
$14.99 -
Plusrite PL13W-1U-2P-827 13W PL Single Twin 2-Pin CFL Tube
$4.99 -
Plusrite PL13W-2U-2P-827 13W PL Double Twin 2-Pin CFL Tube
$5.99 -
Plusrite PL13W-2U-4P-835 13W PL Double Twin 4-Pin CFL Tube
$5.99
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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.