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The Diode Dynamics 39mm SMF2 LED bulb in cool white is a direct replacement for 39mm festoon bulbs commonly used in vanity mirror lights. Two 5050 SMDs provide a measured 24 lumens—about double the light of many originals—while delivering a modern LED look. The SMF2 includes an embedded load resistor and implanted diode for reliability, plus constant-current circuitry, transient suppression and sturdy terminals for secure, plug-and-play installation and a three-year replacement warranty.
Diode Dynamics 39mm SMF2 LED Bulb - Cool - White (Single)
