Sylvania Home Lighting 19385 Incandescnet 70W/100W/120W 2850K A21 Incandescent 3-Way Bulb Uses upto 100W to produce upto 1,245 Lumens of natural soft white light illumination Long Lasting: Rated life of 1,200 hours, reducing the need for constant replacements and maintenance costs 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 Provides three levels of light; low for energy savings and high for task lighting