The Westinghouse 4.5W ST20 Filament Dimmable LED Light Bulb has an old-style filament design and a retro-shape combined with the energy saving benefits of an LED bulb. 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, as well as for use in enclosed fixtures. This LED reduces energy costs up to 89% over the lifetime of the bulb compared to incandescent 40 watt light bulbs. LEDs contain no harmful mercury, reducing their impact on the environment. Make the switch to long-lasting Westinghouse LEDs for significant energy saving benefits. Westinghouse is a trusted, global brand. Westinghouse knows lighting and offers products with exceptional quality, reliability and functionality. Product reference number 45182.