Bulb Shape Bulb Shape |
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![]() | Circline |
Base Type Base Type |
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Wattage Wattage |
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Bulb Shape Number Bulb Shape Number | Show |
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Bulb Shape Number Bulb Shape Number | Hide |
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Light Technology Light Technology |
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Color Temperature Color Temperature |
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Circline Bulb Style Circline Bulb Style |
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Bulb Diameter Bulb Diameter |
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Brightness Brightness |
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Color Color |
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![]() | Frosted |
For Ballast Type For Ballast Type |
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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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Beam Spread Beam Spread |
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![]() | Sphere |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Brightness
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About Light Appearance
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About Replacing Tubular Fluorescent Light Bulbs
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Circline 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 or daylight 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. They cannot be sold to Canada because they do not meet local efficiency standards and exceed local regulatory limits on mercury (for disposal information, visit www.epa.gov/cfl).
O'all Dia. | Equiv. Fluorescent Bulb Wattage | Light Appearance | Brightness, lumens | CRI | Light Setting | Bulb Material | Light Technology | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Trade Number | Pkg. Qty. | Cannot Be Sold To | Pkg. | |
T9 Bulb (1 1/8" Dia.) | |||||||||||||||
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6 1/2" | 20W | Cool (4,100K) | 640 | 62 | Dimmable | Glass | Fluorescent | 20W | 12,000 | 2.41 | FC6T9 | 1 | Canada | 0000000 | 000000 |
8" | 22W | Daylight (6,200K) | 910 | 79 | Dimmable | Glass | Fluorescent | 22W | 12,000 | 2.65 | FC8T9 | 1 | Canada | 0000000 | 00000 |
8" | 22W | Warm (3,000K) | 1,150 | 85 | Dimmable | Glass | Fluorescent | 22W | 12,000 | 2.65 | FC8T9 | 1 | Canada | 0000000 | 00000 |
8" | 22W | Cool (4,100K) | 1,050 | 59 | Dimmable | Glass | Fluorescent | 22W | 12,000 | 2.65 | FC8T9 | 1 | Canada | 0000000 | 0000 |
12" | 32W | Daylight (6,200K) | 1,570 | 73 | Dimmable | Glass | Fluorescent | 32W | 12,000 | 3.85 | FC12T9/D | 1 | Canada | 0000000 | 00000 |
12" | 32W | Cool (4,100K) | 1,800 | 59 | Dimmable | Glass | Fluorescent | 32W | 12,000 | 3.85 | FC12T9 | 1 | Canada | 0000000 | 00000 |
16" | 40W | Cool (4,100K) | 2,500 | 60 | Dimmable | Glass | Fluorescent | 40W | 12,000 | 4.82 | FC16T9 | 1 | Canada | 0000000 | 00000 |