Fluorescent Bulbs > ALL PRODUCTS
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Eiko dt18-35-rs 18w T5 Duo-Tube CFL
$5.75 -
Eiko qt18-35-4p 18w T4 Quad-Tube CFL
$47.50($4.75/unit) -
Eiko qt13-27 13w T4 Quad-Tube CFL
$57.50($5.75/unit) -
Eiko dt24-30-rs 24w T5 Duo-Tube CFL
$5.99 -
Eiko qt18-27-4p 18w T4 Quad-Tube CFL
$37.50($3.75/unit) -
Eiko dt36-35-rs 36w T5 Duo-Tube CFL
$12.99 -
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 -
Plusrite PL26W-2U-2P-827 26W PL Double Twin 2-Pin CFL Tube
$9.99 -
Plusrite PL26W-2U-2P-835 26W PL Double Twin 2-Pin CFL Tube
$6.99 -
Plusrite PL13W-2U-2P-841 13W PL Double Twin 2-Pin CFL Tube
$5.99 -
Satco s8321 18w T4 Double Twin 2-Pin CFL 2700K
$8.99 -
Plusrite PL18W-2U-4P-835 18W PL Double Twin 4-Pin CFL Tube
$6.99 -
Satco s8317 13w T4 Double Twin 2-Pin CFL 2700K
$8.99 -
Plusrite PL18W-2U-4P-841 18W T4 Double Twin 4-Pin CFL Lamp
$6.99
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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.