StonePoint LED Lighting Utility Light GGL-50 Energy Efficient Bright Daylight Bulb with Shroud Fits Standard Edison Base 4000K and 4400 Lumens - for Shop Light, Garage Light, Workshop ENERGY EFFICIENT - The StonePoint GGL-50 LED Utility Bulb requires less energy to power and is cost effective. LONG-TERM USAGE - LED light bulbs last longer than halogen and incandescent lamps. This bulb has 50,000 hours of LED life and can last as long as 20 years or more on average use. 4400 LUMENS - This bright bulb has a light output of 4400 lumens, 55 watts, and CCT 4000K. HEAVY DUTY ALUMINUM REFLECTOR - It has a clean, simple design with a heavy-duty aluminum reflector that surrounds it. REPLACES 100W BULBS - The GGL-50 is a bright daylight bulb that replaces three 100-watt incandescent bulbs.