Our full spectrum 400W High Pressure Sodium HPS grow light bulb is an awesome deal!!! It has a nearly identical color spectrum (if not better) than the most popular Horticultural grow light bulb on the market, for a fraction of the cost.

 

This HPS grow bulb has 55,509 lumens of output, with a color temperature of 2093K, and a color rendering index of 30. It has an average bulb life of 24,000 hours and can be used in vertical or horizontal orientation. It has 4000 lumens more than Hortilux! You will be satisfied!!!

 

These HPS grow light bulbs will not work with Lumatek ballasts.