Sylvania Home Lighting 19404 Incandescnet 50W/200W/250W 2850K A21 Incandescent 3-Way Bulb Dimmable to offer three light levels with maximum flexibility Long Lasting: Rated life of 1,200 hours, reducing the need for constant replacements and maintenance costs Uses upto 150W to produce upto 2210 Lumens of natural soft white light illumination Cost Efficient: Yearly energy cost equivalent to only$6.02 (based on 3 hours/day) Ideal to use in lamps with 3-way sockets, indoor or enclosed outdoor regular lighting needs Frosted Glass provides even illumination and prevents damage to furniture and clothes COLOR: 2700K color temperature produces natural soft white light