Black Dog PhytoMAX-4 12SP 750 Watt LED Grow LightPhytoMAX 4 LED Lights Will Give You Superior Yields With 1594 mol s light output from just 750 watts, the PhytoMAX 4 12S is a drop in replacement for 1000W HPS fixtures. PhytoMAX 4 lights are designed to grow the highest quality and highest quantity harvests. Rather than striving for the highest possible photons per watt, PhytoMAX 4 is designed to give the highest yield per watt while maximizing terpenes, pigments and cannibinoid production. PhytoMAX