Base Type Base Type |
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![]() | Bi-Pin |
Overall Length Overall Length |
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Bulb Shape Bulb Shape |
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![]() | Tubular |
Bulb Shape Number Bulb Shape Number |
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Trade Number Trade Number | Show |
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Trade Number Trade Number | Hide |
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Wattage Wattage |
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Light Technology Light Technology |
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Bulb Diameter Bulb Diameter |
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Base Number Base Number |
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Color Temperature Color Temperature |
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Bulb Material Bulb Material |
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Light Appearance Light Appearance |
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Brightness Brightness |
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Beam Spread Beam Spread |
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![]() | Sphere |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Estimated Yearly Energy Cost Estimated Yearly Energy Cost |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Rated Life Rated Life |
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Rated Life @ 3 Hours per Day Rated Life @ 3 Hours per Day |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Color Rendering Index Color Rendering Index |
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About Brightness
More
About Light Appearance
More
About Replacing Tubular Fluorescent Light Bulbs
More
Bi-Pin Base Tubular Light Bulbs


Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Color rendering index (CRI) is a measurement on a scale of 0-100 of how accurately the light from a bulb represents an object's true colors; the higher the number, the more natural the colors appear. Any CRI value over 80 will show colors true to life. Bulbs with a warm light appearance have yellow tones. Bulbs with a neutral light appearance are often used in workspaces. Bulbs with a cool light appearance have white/blue tones and are good for inspecting. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.
Fluorescent bulbs are energy efficient, but they contain small amounts of mercury (for disposal information, visit www.epa.gov/cfl).
Bulbs that cannot be sold to the regions listed exceed local regulatory limits on mercury and/or do not meet local efficiency standards.
O'all Lg. | Equiv. Fluorescent Bulb Wattage | Light Appearance | Brightness, lumens | CRI | Light Setting | Bulb Material | Light Technology | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Trade No. | Cannot Be Sold To | Pkg. Qty. | Pkg. | |
T8 Bulb (1" Dia.) | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
60" | 40W | Cool (4,100K) | 3,725 | 82 | Dimmable | Glass | Fluorescent | 40W | 30,000 | 4.82 | F40T8, FO40 | Canada | 6 | 0000000 | 0000000 |
60" | 40W | Cool (4,100K) | 3,725 | 82 | Dimmable | Glass | Fluorescent | 40W | 30,000 | 4.82 | F40T8, FO40 | Canada | 25 | 0000000 | 000000 |