BU series is one of the most versatile bulbs on the market. Physically compact with a modern look, this bulb can fit in places where others can't, and look great doing it! These units deliver up to 5,285 lumens and multiple color temperatures which allows for a variety of different solutions to fit your needs. Some applications for this bulb include: Recessed Lighting, Wall Packs, Canopies, some enclosed outdoor fixtures.