LED ST18 Edison Style Bulb, Warm White, 4 Long Filaments, UL Listed, 1.8 Watts (E26) ENERGY EFFICIENT &#10003; These Edison Style ST18 LED Bushwick Vintage Bulbs offer 25,000 hours of use; the long LED lifespan means no maintenance - simply install and leave it for maintenance free glowing light. DIMENSIONS: 2.5"D x 5"H. A Standard ST18 Bulb Size. Equivalent to Brooklyn Bulb Co.'s 40W 120V Incandescent Bushwick Bulb (ASIN: B00FLXG8IO) DIMMABLE &#10003; Fully dimmable, allowing you to adjust the light to your desired ambiance. || Color Temperature: 4 Warm White LED filaments in a "Squirrel Cage" formation (2200K). UNIQUE &#10003; Unlike most LED bulbs which are too bright and unflattering, these LED vintage bulbs are unique, as they have specifically been modified to mimic the warm glow of an incandescent bulb. With these adjustments, you can seamlessly swap these LEDs for average bulbs, reaping the energy-saving benefits while still enjoying the quality of design. OUR PROMISE TO YOU: LampLust is looking out for your satisfaction. If you have any inquires please contact us through seller messages so we can assist. These ST18 LED Bulbs have a 1 year warranty.