This is the Sylvania Classic Eco ball 28 W B22 [SYL-0021860] Lamp which is a 1:1 replacement for incandescent ball lamps. This lamp is more efficient, which means more energy savings. Instant illumination and less heat generation than incandescent lamps. For both commercial and domestic applications. Dimmable (100%) on approved dimmers. This lamp has an average rated life of 2 000 hours, up to two times more average life compared to incandescent lamps. ...Contact us if you need more help.