LED2020 LED ST21 Filament Light Bulb, 120VAC, Warm White (2400K), 4.5W to Replace 40W Incandescent Bulbs, E26 Base, Dimmable, UL Certified, 3PACK Warm White (2400K), 4.5W to Replace Incandescent Bulbs 40W 120 VAC Input Low Energy Cost: $0.54/yr (Based on 3hrs/day, $0.11/kWh) UL Certified 3 Years Warrenty