Also known as britelux, Kolorarc, and powerstar.

These are one of the common types of Tubular metal halide lamps used in car parks, industrial, petrol stations and many other areas where large quantiy of white light is required.

They are very efficient giving a superb lumen to watt ratio and have a long rated life of approximately 16.000hrs.

One of the best things about these lamps is that they run of sodium contol gear so you can change your horrible yellow orange light to white without changing your light fittings or your control gear.

There is a very substantial discount for boxes of 10 lamps.