This 400 watt Metal Halide bulb has a mogul base, a 20,000-Hour rated life and an overall length of 7.50". This bulb requires a separate ballast and must be burned with the base either verdically or facing upwards.
- Brightness 4100 Lumens
- Estimated Yearly Energy Cost: $48.18 based upon 3 hrs/day. 11c/kWh. Cost depends on rates and use.
- Life: 6.8 years based upon 3 hrs/day
- Light appearance: 4000K
- Energy Used: 400 watts
