Product Detail
| Model Number | 21879 |
|---|---|
| Brand Name | Sylvania |
| Average lamp efficacy (lumens/watt) | 90.3 |
| Lamp type | 2-foot U-shaped |
| Nominal Power (watts) | 31 |
| Nominal overall length (mm) | 570 |
| Diameter (mm) | 25.4 |
| Shape | U |
| Base type | G13 - medium bipin |
| Correlated Colour Temperature (K) | 3977 |
| Average colour rendering index | 85 |