Osram CFL Square
With Osram you are ensured of quality. The square Osram CFL bulbs are no exception. The Osram square CFL bulb has a square shape that can be placed in ceilings with small installation heights and spreads an even light. To achieve the same light as the traditional incandescent bulb, the average CFL bulb uses up to 80% less energy. Osram square energy saving bulbs with a 2 pin base are designed for use with an electromagnetic or conventional ballast. Meanwhile, the Osram square CFL with a 4 pin base is designed for use with an electronic ballast.