The Grower's Choice Master Pursuit 1200w DE HPS lamp is specifically engineered with a durable high intensity arch tube built from leading European technology to handle the stress of extreme light output. The MP 1200w DE HPS produces maximum par levels at highest efficiency, with the least amount of lamp degeneration in the industry at 1200w. The MP 1200w DE HPS is designed unambiguously for the most aggressive and confident heavy yielding producers who demand the highest quality and performance.   Only 1200 watt rated HPS lamp in the industry 5 times better degeneration rate compares to other premium 1000W lamps power at 1150-1200W 5% more efficient than other premium 1000W lamps power at 1150-1200W Exceeds 2500 umol/s Best Par Maintenance Constructed with Philips inner arc tube