Don't forget the RIU10 code,HLG 600 Rspec®
High Efficiency Commercial Indoor Horticulture LED grow light designed to replace a 1000watt HID with just 490 Watts. 1522 PPF @ 2.55 PPF/W. Full-spectrum. Reliable passive-cooled design. Powered by Samsung LM301H LED and Deep Red LED 660nmhorticulturelightinggroup.com
HLG BlackBird
HLG BlackBird is designed for grows with low ceiling heights, vertical racks and grow tents. Wide spread and high efficiency make it ideal for a 4x4 grow tent.horticulturelightinggroup.com
ROI-E680S | Grower's Choice
Introducing the new ROI-E680S an enhanced 2nd generation redesign of the ROI-E680 legacy. Continuing its renowned heritage of proven harvests with optimal light distribution, greater heat management for higher performance, and an upgraded conformal coating resulting in greater resilience to...www.growersc.com
The the zeus 2.9 looks okay to
A sf4000 honestly be perfect for youI'm undecided between the MarsHydro FC 6500, MarsHydro FC-E 6500, Lumatek Zeus 600W and Lumatek Zeus PRO 600W 2.9.