These bulbs product the full spectrum of visible light, resulting in a CRI of 100, something no fluorescent or LED lamp can replicate.
Bulbs rated to last 5,000 hours for an average life span of 4.6 years (based on 3 hours per day usage)
For near-universal compatibility
The bulbs are rough service, run at 130 volts with a robust filament which increases bulb life and durability