This TITANIUM LED SERIES PL V lamp has been designed and engineered for demanding commercial applications. This UL classified lamp requires bypassing the ballast during installation and runs directly off line voltage to eliminate compatibility problems, incidental power loss, lifetime issues, and maintenance costs associated with ballasts. This lamp’s innovative round diffuser improves overall light output and aesthetics of the fixture. Simply install in your existing fixture and turn ON the savings. Need help finding which lamp to choose? Use the GREEN CREATIVE PL LAMP CFL CROSS REFERENCE Tool.