HLG 350R 350w 120 Volt - Quantum Board LED Grow Light | ETL/UL Certified, Samsung LM301H and LM351H Deep Red HLG 350R Commercial Indoor Horticulture LED grow light is designed to replace a 600 watt HID with just 330 Watts. Each HLG 350R uses 2 of our custom designed full spectrum high efficiency Advanced Diablo Quantum Boards with Samsung Full Spectrum White & Deep Red. With a rectangular footprint this fixture is ideal for flowering in smaller grow spaces or vegging in a commercial grow. This incredibly efficient full spectrum horticulture lamp has an efficiency of 3.11 PPF/W. This lamp has a new improved spectrum with a broader blue wavelength. 35" wide design for even light coverage. 911 PPF high output to replace even 600W HPS Powered with high efficiency Diablo Quantum Boards for 2.75 PPF/W Quantum Board QB 648 made by Samsung. Full spectrum white and 660nm red Reliable passive-cooled design. Better canopy light penetration with diffused light. 60 to 330 Watts Dimmable design FREE SHIPPING