HLG Scorpion Diablo commercial Indoor Horticulture LED grow light is designed for grows with low ceiling heights or for vertical racks.  HLG Scorpion Diablo uses 6x Advanced Design Diablo Quantum Boards® for an even light spread at just 18" from the canopy.  This is a very efficient full spectrum horticulture lamp with an efficiency of 3.2 PPF/W