General Electric 20917 - 300 Watt General Purpose PS25 Incandescent Light Bulb, Inside Frost Color temperature rating of 2715 k Incandescent lamp will provide up to 0.6 years of use on average Approximate energy cost per year with normal use is about $36.14/$32.16 Provides approximately 6120 lumens of light, illuminating your environment around you Using the 300-Watt incandescent lamp provides about 750-hours of rated running life, replace your bulbs less often