These T5 VHO (Very High Output) lamps are a brand new technology. T5 HO (High Output) lamps have an initial rating of 5,000 lumens. The VHO lamps are 7,200 lumens. They have to be paired with VHO fixtures.
Ultra Sun MH 1000/U/BT-37 4200K Lamp (12/Cs)
Ultra Sun MH 1000 DE 6,000K (12/Cs)
Ultra Sun HPS 600 (24/Cs)
Hortilux LU600S/HTL/EN (12/Cs)
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