What is the main differences between metal halide lamp i see at marine dealers that are like 500 dollars and say a fixture from www.1000bulbs.com
250 Watts, BT-28 Sylvania Brand Metal Halide, E39 Mogul Base, Length 8.31", Diameter 3.50", Kelvin 4200, CRI 65, ANSI M58/E, Universal Burn Position, Average Life Hours 10,000, Approximate Initial Lumens 22,000, Approximate Mean Lumens 17,000, Case Quantity 6, Price Is Per Each Bulb, No Minimum Order.
Sola Brand - Voted Best Ballast For It's Low Heat Producing Factor
250 Watts, Multi-Tap Metal Halide Ballast, 120/208/240/277 Volts, Bulb Type 250 Watt Metal Halide/250 Watt Mercury Vapor, ANSI M58, ISO-9001 Rated, Reduced Heat, Priced Individually, No Minimum Order.
I understand i would have to build canopy but why is there such a variance in price?