LED filament lamp Bezel sizes from 6.7 to 16.3mm dia Red, amber, green and clear lenses Red, yellow, green, blue and white LEDs Wide choice of stylesTypically 25,000 hours (Green fluorescent lamps 20,000 hours). (Measured to a point when the light output of the lamp is half its original level.) The end of life for a neon lamp is not usually a sudden failure.