4100K - 800 Series Phosphors - U-Bend Fluorescent - 6 in. Spacing - Case of 20
Better for the environment, same performance characteristics: Lamps with ALTO II technology have 50% less mercury than prior ALTO T8 lamps, making these lamps the most sustainable linear fluorescents available. Best of all, these lamps offer the same performance levels as ALTO lamps (life, energy, and light output).