Specifications for GE Ecolux 25-Watt 78 CRI T8 Fluorescent Light Bulbs
| GE Model # |
F25T8-SP35-ECO |
F25T8-SP41-ECO |
Comments |
| Wattage |
25 watts |
25 watts |
Energy efficient |
| Length |
36in |
36in |
Standard 3-foot fluorescent lamp |
| Diameter |
1.0in |
1.0in |
T8 lamps are 8/8in in diameter |
| Base |
Medium bipin |
Medium bipin |
Same as T12 lamps |
| Color Temperature |
3500K |
4100K |
3500K is neutral white light;
4100K is cool white light |
| Color Rendering Index |
78 CRI |
78 CRI |
78 CRI is considered good
on a scale of 0-100 |
| Rated Life |
20,000 hrs |
20,000 hrs |
Good lamp life |
| Initial Lumens |
2080 lumens |
2080 lumens |
For fluorescent lamps initial
amount of light is always high |
| Mean Lumens |
1970 lumens |
1970 lumens |
Average amount of light over
the life of the lamp |
| TLCP Compliant |
Yes |
Yes |
Has low mercury content |
Caution: if you are replacing T12 lamps with T8 lamps, please remember that the T12 ballast must also be replaced with a T8 ballast |
GE Ecolux T8 25-watt fluorescent light bulb with medium bipin base, 3500K neutral white light or 4100K cool white light, diameter 1in, length 24in, 78 CRI, rated life 20,000 hrs, initial lumens 2080, mean lumens 1970, packaged 24/case but you may purchase as few as two lamps.