This Micro-Brite cold cathode candelabra-base fluorescent lamp is a direct replacement for a 15 watt incandescent candelabra-base light bulb. This Micro-Brite lamp has an expected life of up to 25,000 hours. In a commercial application, due to their long life, Micro-Brite lamps can help to cut down on maintenance and replacement costs. This Micro-Brite A15 lamp is the same shape and size as an incandescent A15, but with all the benefits of cold cathode technology, including being dimmable, flashable, and suitable for use in hot and cold environments.