GE's Mercury Vapor high intensity discharge light bulbs provide long-lasting performance and good efficacy. The deluxe white coating provides better color rendering versus uncoated Mercuy Vapor light bulbs and rated to last 20,000 hours. Use this HID 175-Watt Mercury Vapor ED28 shape light bulb only with H39 ballasts in residential and commercial security lighting , industrial, roadway and parking lot lighting.
Uses 175 Watts (7800 lumens)
3900 Kelvin cool white light
Each bulb costs 21.08 dollars annually to operate based on 3 hours per day use at 11 cents per kWh
1 bulb per package
7800 lumens/46 color rendering index
ED28 bulb shape
Mogul base (E39)
Not for use in standard incandescent light bulb sockets
For use only with H39 in residential and commercial security lighting, industrial, roadway and parking lot lighting