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HLG 350Commercial 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 broad blue wavelengths.

Download HLG 350R Product Manual

Independent Efficiency Lab Report


Top Features

  • 35" wide design for even light coverage
  • Powered with high efficiency Diablo™ Quantum Boards® for 3.11 PPF/W
  • 1000+ PPF high output to replace even 600W HPS
  • 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
  • Auto sensing Inventronics power supply works on 120VAC, 240VAC and 277VAC
  • 5 Year Warranty



Voltage Range120-277 VAC 50-60Hz
LEDFull Spectrum White & Deep Red
Flowering Footprint3' x 5' at 15"
Veg Footprint5' x 5' at 24”
System PPF Efficacy3.11 μmol/joule
Total output1000+ PPF
Dimensions34.5" x 10" x 2.75"
Recommended Mounting Height15" - 24" above canopy
CertificationsUL 8800, UL 1598, CSA


Independent PPFD Report*

*Expect higher intensity and more even coverage in a grow tent, reflective area or a cross over with multiple lamps.

HLG 350R

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