LytheLED&trade; T10 LED Filament 4-Watt Nostalgic Tubular LED, 2200K Warm White, 400 Lumens, (40W T10 Incandescent Replacement) 120V, E26 Base, Dimm Medium base for use in ceiling fixtures and pendants Designed with extra long filaments for authenticity Long life LEDs for lasting vintage appeal - 20,000 hours Antique finish for authentic vintage feel with very warm 2200K LED filaments Dimmable with Electronic Low Voltage (ELV) dimmers, UL rated for damp locations