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- Estimated life of 21.9 years based on 3 hours use per day
Product Description–
Lighting Facts Per Bulb |
| Brightness 1375 lumens |
|
Estimated Yearly Energy Cost $3.85
Based on 3 hrs/day, 11¢/kWh
Cost depends on rates and use
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Life
Based on 3 hrs/day21.9 years
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Light Appearance
WarmCool
3500 K
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| Energy Used32 watts |
Sylvania 21778, a high-performance 17-watt fluorescent lamp built for long life, energy efficiency, and consistent light quality. Lamp delivers higher initial and mean lumens than standard 700-series T8 lamps, helping reduce both energy costs and lighting maintenance across commercial and industrial spaces.
- Soft White Color Temperature: 3500K
- CRI: 85
- Initial Lumens: 1,375 lm
- Rated Average Life: Up to 24,000–42,000 hours (varies by ballast type)
- Compatibility: Instant start (IS) and rapid start (RS) ballasts, including electronic and magnetic rapid-start ballasts
- Compliance: Lead-free, TCLP, and RoHS compliant
Full Specs–
Brand | Sylvania |
Model Number | FO17/835/XP/ECO3 |
Energy Used | 32 Watts |
Base | Medium Bipin |
Bulb Shape | T-8 |
Bulb Color | Neutral White |
CRI | 85 |
Color Temperature (Kelvin) | 3500 |
Brightness (Lumens) | 1375 |
Bulb Finish | Opaque |
Bulb Technology | Fluorescent |
Average Rated Life (hr) | 24000 |
Length (in) | 24 |
Diameter (in) | 1 |
Nominal Length (ft) | 2 |
Contains Mercury (Hg) | Yes |
Not For Sale In | WA, CA, CO, OR, RI, VT & HI |