Lumatek HPS 400 watt bulb

This HPS bulb from Lumatek has been specially designed to be used with electronic ballast transformers such as Lumatek, Gavita, Super lumens, etc.) Lumatek launches its new line of horticultural products. Matches the ultra-high frequency operation of Lumatek ballasts for long-lasting performance with stable light output. The lamp components have been strengthened making it much more robust and therefore it has a long life offering a high level of photosynthetic active radiation to promote healthy plant growth. Boost your yields with a unique gas mixture and optimized spectrum to promote photosynthesis. The blue spectrum technology is enhanced so it can be used throughout growth and flowering. Lumens per watt: 137.5 Luminous flux: 55,000 lumens Color temperature: 2100 Kelvin