The ST18LED201 bulbs are perfect for providing 3000K of natural warm light in your bedrooms, living room or with any exposed bulb application. With 420 lumens, you can replace your current 40-watt bulbs with these stylish and energy-efficient LED bulbs that offer 15000 hours of life. These dimmable lights come in a pack of six and will bring a warm, cozy feeling to your casual spaces. Classic filament clear glass design creates a unique vintage feel in any room. • Energy Saving LED bulbs using 75% less energy compared to incandescent bulbs. • Designed to provide 15,000 hours of life in dry locations • Estimated yearly energy cost: $ 0.7227 (based on 3 hours/day, 11¢/kWh; cost depends on rates and use). Average life based on 3 hours per day is 15000 hours • Dimmable with most Lutron dimmers; Dimming from 5% to 100%. • 3000k color temperature, providing a soft white light, creating a comfortable atmosphere for any room. • Requires less energy and will help save money on your next electric bill • E26 base