The Mars Hydro SP 3000 300W 2X4 ft SAMSUNG LM301B OSRAM Full Spectrum LED Plant Grow Light has a specially designed spectrum with a high ratio of red light, suggested for side-supplement lighting and greenhouse.
With a thick aluminum passive heat sink and densely arranged chips, the SP series offers cultivators a high efficiency but a low heat environment, helping maximize crop yields without noise or heat worries while spreading light deep enough for even tall plants.