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The Diode Dynamics 28mm SMF1 LED bulb blue set of four replaces 28mm festoon bulbs commonly used in vanity mirror lights, offering a modern LED appearance while delivering output similar to the factory incandescent. Each SMF1 contains one 5050 SMD and is rated at 16 lumens; the design includes an embedded load resistor and implanted diode plus constant-current circuitry and transient suppression for consistent performance. Sturdy terminals provide a secure fit, installation is plug-and-play, and Diode Dynamics backs the set with a three-year replacement warranty.
Diode Dynamics 28mm SMF1 LED Bulb - Blue Set of 4
