SYLVANIA Home Lighting 10034 Incandescnet Bulb, A15-40W, Double Life, Clear Finish, Medium Base, Pack of 2 High Efficiency: Uses 40W to produce 350 lumens of soft white light illumination Long Lasting: Rated life of 2,000 hours, reducing the need for constant replacements and maintenance costs Easy Install: Screw-in base fits standard fixtures conveniently SIZE: Medium base size ideal for use with recessed or track fixtures Vibration resistant filament for long life