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The 28mm SMF2 festoon LED bulb is a direct replacement for 28mm incandescent bulbs commonly used in vanity mirror lights, upgrading to a modern cool-white appearance with increased output. Populated with two 5050 SMD LEDs, it provides about 24 lumens—roughly double the original—and includes an embedded load resistor and implanted diode for improved reliability. Durable metal terminals ensure a snug fit and reduced vibration; installation is plug-and-play and the bulb is backed by a three-year replacement warranty.
Diode Dynamics 28mm SMF2 LED Bulb - Cool - White (Single)
