| ANSI Code | 1010-1 |
| Bulb Base Type | Medium Bi-Pin (G13) |
| Bulb Designation | F40T12/CW/ALTO |
| Bulb Dia. | 1 1/2 in |
| Bulb Housing | Glass |
| Bulb Minimum Starting Temperature | 32 Degrees F |
| Bulb Primary Application | General Purpose |
| Bulb Shape | T12 |
| Bulb Type | Linear |
| Bulb UL Type | No UL Type |
| Case Quantity | 30 |
| CEE Certified, Energy Star Compliant, High Output | No |
| Colour Rendering Index | 89 |
| Colour Temperature | 4100K |
| Dimmable, Shatter-Resistant | Yes |
| Environmental Claim | None |
| Item | Linear Fluorescent Bulb |
| Light Appearance | 4000 to 4999K, Cool White |
| Light Technology | Fluorescent |
| Lumens | 2,600 lm |
| Nominal Length | 4 ft |
| Overall Length | 48 in |
| Rated Life | 20,000 hr |
| Standards | TCLP Compliant |
| Voltage | Ballast Dependent |
| Wattage Equivalency | 40W LFL |
| Watts | 40 W |