This GU10 base fluorescent lamp is designed to replace GU10 base halogen JDR type lamps that have with two GU10 bayonets protruding from the base. These insert into matching holes in the fixture's socket, and twist to lock into place. Twist and pull, and the bulb comes right out of the socket. This 11 watt GU10 JDR lamp offers 250 lumens of light, which is equivalent to a 25 watt incandescent.
