Combine classic style, modern reliability and energy savings with Feit Electric ST19 LED 40-Watt Equivalent Warm Light (2100K) M Shaped Filament Light Bulb. Our vintage filament bulbs are made with LED exposed filament and wrapped in an amber housing to deliver an elegant antique look and feel. We integrate innovative LED technology with a unique M shaped filament, providing a natural lighting experience for those that want the benefits of LED's and the look of a vintage lighting. Filament LED's will last for years and use just a fraction of the energy of an incandescent.