These 4.5W ST15 filament dimmable LED light bulbs (6-Pack) have an old-style filament design and a retro shape combined with an LED bulb's energy-saving benefits. Perfect for use in pendant lights and chandeliers where the bulb is visible, this vintage-inspired bulb lights up instantly and produces soft white (2700K) color temperature. Suitable for use in damp locations, such as outdoor-rated fixtures, and approved for enclosed fixtures. These LEDs reduce energy costs up to 89% over the bulb's lifetime compared to incandescent 40-watt light bulbs. LEDs contain no harmful mercury, reducing their impact on the environment. Make the switch to long-lasting LEDs for significant energy-saving benefits. Product reference number 4518620.