The Feit Electric 100-watt E26 Base 4000K Metal Halide HID lamp light is an ED17-shaped bulb for industrial and retail high or low bays, streetlights, and parking lots. It is a traditional metal halide bulb that produces a light output of 8,500 lumens using 100 watts of electricity. Use these bulbs only with ANSI ballast M90. Feit Electric MH100/U/MED Halide bulbs have a lifetime rating up to 10,000 hours, with an estimated annual energy cost of $12.05. Choose a dependable Feit Electric light bulb for your residential and commercial needs. For a safe, long-lasting HID replacement option, choose Feit Electric C10000/5K/LEDG3/HDRP Corn Cob LED bulbs. Energy-efficient LED technology puts out high lumens while saving energy. They are shatter-resistant and 100% mercury-free. The lifetime of the LED bulb is rated up to 25,000 hours. Replace metal halide with LED bulbs and start saving money on electric bills and maintenance today.