The Platinum 315 W CMH 4200 K 

The Platinum 315 W CMH 3100 K Bulb is suitable for use in all standard 315 W LEC fixtures. The 3100 K is a bulb containing precision gases for enhanced spectral output.

The Platinum 315 W CMH 4200 K bulb is suitable for use in all standard 315W LEC fixtures. The 4200 K is a bulb that contains precision gases for improved spectral output. 

It generates much less heat than a conventional sodium or halide bulb and closely approximates sunlight by increasing the red range. Growers will detect shorter intermodal spacing and better yields on flowering plants.