Fluorescent Bulbs > ALL PRODUCTS
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Satco s6501 22w T9 6500K T9 Circline Fluorescent Lamp
$7.99 -
Satco s6506 40w T9 4100K T9 Circline Fluorescent Lamp
$14.99 -
Satco s2954 40w T9 Circline Fluorescent Bulb 3000K
$27.99 -
Satco s6500 22w T9 4100K T9 Circline Fluorescent Lamp
$6.99 -
Satco s6504 32w T9 6500K T9 Circline Fluorescent Lamp
$7.99 -
Satco s6503 32w T9 4100K T9 Circline Fluorescent Lamp
$7.99 -
Satco s6507 30w T9 3000K T9 Circline Fluorescent Lamp
$15.99 -
Satco s6505 32w T9 3000K T9 Circline Fluorescent Lamp
$7.99 -
Satco s6502 22w T9 3000K T9 Circline Fluorescent Lamp
$7.99 -
Tcp L13T9N5050K 13W LED T9 Circline Lamp
$30.99 -
Tcp L13T9N5027K 13W LED T9 Circline Lamp
$30.99 -
Tcp L13T9N5030K 13W LED T9 Circline Lamp
$30.99 -
Tcp L13T9N5041K 13W LED T9 Circline Lamp
$30.99 -
Westinghouse WH-0602300 32W 1' T9 Circular Fluorescent Light Bulb
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Keystone Lighting ktl-fc8t9-cw 22w T9 Circline Fluorescent Lamp 4100K
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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.