Fluorescent Bulbs > ALL PRODUCTS
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Satco s8156 22w T5 Circline High Performance Lamp 3500K
$18.99 -
Satco s6501 22w T9 6500K T9 Circline Fluorescent Lamp
$7.99 -
Satco s8166 22w T5 Circline High Performance Lamp 6500K
$32.99 -
Satco s2956 22w T5 Circline High Performance Fluorescent Lamps 3500K
$74.99 -
Satco s6500 22w T9 4100K T9 Circline Fluorescent Lamp
$6.99 -
Satco s6502 22w T9 3000K T9 Circline Fluorescent Lamp
$7.99 -
Satco s6587 60w T12 Shatter Proof Fluorescent 4200K
$31.99 -
Satco s2955 22w T5 Circline High Performance Fluorescent Lamps 3000K
$74.99 -
Satco s6597 27w T6 Circline Fluorescent Lamp 2700K
$13.99 -
Satco s8155 22w T5 Circline High Performance Lamp 3000K
$18.99 -
Satco s6579 20w T12 Shatter Proof Fluorescent 4100K
$17.99 -
Westinghouse WH-0601000 22W 8" T9 Circular Fluorescent Light Bulb
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TCP 4892712 27W T3 Ultra Compact CFL Lamp 12-Pack
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TCP 33127SP30K 27W CFL Spring Lamp
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Satco CFM27LUX 27W 4-pin CFL Bulb
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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.