SYLVANIA F20T12 / D 20W T12 Day Light 6500K light bulb
- Fluorescent Tubes
- 20
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GE Lighting
Case of 24 straight T8 fluorescent tubes, each 24 inches long, 17 watts and 1350 lumens at 3000K
This case contains 24 straight T8 fluorescent tubes, each 24 inches long and rated at 17 watts. They produce 1350 lumens at a 3000K natural white colour temperature. The lamps suit offices, retail spaces and other commercial fixtures that accept T8 bi-pin tubes. Buyers needing higher-output or LED alternatives will not find them here.
Fluorescent tubes run cooler than incandescent equivalents and produce no audible noise from moving parts. Each lamp draws 17 watts, keeping circuit loading modest for standard ballasts. The 3000K output remains stable during normal duty cycles. Installations requiring dimming or instant restrike should verify ballast compatibility separately.
The straight T8 shape with medium bi-pin bases matches common troffer, wrap and strip fixtures. A 24-tube case simplifies relamping projects and reduces per-unit handling. Glass construction requires care during installation and disposal. Spaces needing shatter-resistant or waterproof lamps must select a different product.
| Type | Fluorescent Tubes |
|---|---|
| Brand | GE |
| Watts | 17 |
Align the bi-pin ends with the tombstone sockets and twist gently until seated; the step most people miss is confirming the ballast is rated for 17 watt T8 lamps before powering on.
Expect gradual lumen depreciation and eventual end-of-life flicker; replace the full set when output drops noticeably or the ballast begins cycling the lamps on and off.
The 17 watt envelope temperature and phosphor stability set the practical ceiling; sustained runs beyond rated hours accelerate lumen loss and colour shift before the lamp fails completely.
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