Fluorescent Bulbs > ALL PRODUCTS
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Satco s6579 20w T12 Shatter Proof Fluorescent 4100K
$17.99 -
Satco s6748 26w T4 Triple-tube CFL 4100K
$25.99 -
Satco s6762 24w T5 Single-tube CFL 4100K
$25.99 -
Satco s7376 105w T5 Spiral CFL 4100K
$52.99 -
Satco s8327 26w T4 Double Twin 2-Pin CFL 3500K
$8.99 -
Satco s8337 26w T4 Double Twin 4-Pin CFL 2700K
$8.99 -
Satco s7443 105W T5 CFL Bulb
$55.99 -
Plusrite PL26W-3U-4P-841 26W PL Double Twin 4-Pin CFL Tube
$8.99 -
Turolight TUFF-PLT-26W-41 26W TUFF PLT CFL Lamp
$8.99 -
Ledvance CF26DT-E-827-ECO 26W Dulux CFL Light Bulb 4-Pin
$143.76($5.99/unit) -
Ledvance CF23EL-SPIRAL-830 23W SYLVANIA Micro-Mini Twist CFL Lamp
$287.76($11.99/unit) -
Ledvance FT24DL835ECO 24W T5 Twin Tube CFL Light Bulb 4-Pin
$139.90($13.99/unit) -
Ledvance CF32DT-E-IN-28W-841-XL-SS-ECO 28W DULUX Supersaver CFL bulb
$551.76($22.99/unit) -
Turolight TUFF-PLC-26W-41-4P 26W TUFF PLC CFL Lamp
$4.99 -
Ledvance FPC22-835 22W Circular T5 CFL Light Bulb
$1,727.76($71.99/unit)
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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.