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Grand Master LED (GML) - Master 6 Bloom 730nm LED | 660W | 2.79 UMOL/J | IP66660W Full Spectrum LED Grow Light High Efficiency for Pro Grows Perfect for commercial setups, vertical farming, low ceilings, and grow tents, this LED light delivers powerful, uniform coverage with top tier efficiency. Key Features: High Efficiency Full Spectrum Ideal for full cycle growth IP66 Waterproof Built for tough grow environments Foldable Design Fast and hassle free installation Manual Dimming Knob Easy light control RJ14 Port Compatible
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660W Full Spectrum LED Grow Light – High Efficiency for Pro Grows

Perfect for commercial setups, vertical farming, low ceilings, and grow tents, this LED light delivers powerful, uniform coverage with top-tier efficiency.

Key Features:

 High-Efficiency Full Spectrum – Ideal for full-cycle growth
 IP66 Waterproof – Built for tough grow environments
 Foldable Design – Fast and hassle-free installation
 Manual Dimming Knob – Easy light control
 RJ14 Port Compatible – Works with most controllers
 Inventronics EUM-680 Driver – Reliable performance
 3-Year Warranty – Long-term peace of mind

Specifications:

  • Max Wattage: 660W @ 240V

  • Voltage Range: 120–277V (480V available)

  • Coverage Area: 5' x 5' flowering footprint

  • PPF Efficacy: 2.79 µmol/J

  • Total Output: 1946 µmol/s

  • Dimensions: 44” x 44”

  • Weight: 31.2 lbs (~14.15 kg)

  • Mounting Height: 12–18" above canopy

  • Certifications: ETL Listed, IP66 (DLC coming soon)

🚀 Efficient. Durable. Designed to grow big.

Grand Master LED (GML) - Master 6 Bloom 730nm LED | 660W | 2.79 UMOL/J | IP66

Item no : 28366853749
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US$ 872.50
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