Ge 45514 40-Watt Claro Tubular 1-Pack Color temperature rating of 2500 k Incandescent lamp will provide up to 0.9 years of use on average Approximate energy cost per year with normal use is about $4.81 Provides approximately 420 lumens of light, illuminating your environment around you Using the 40-Watt incandescent lamp provides about 1000-hours of rated running life, replace your bulbs less often