HLG 350R



HLG 350R is a commercial grade indoor horticulture LED grow light designed to replace a 600 watt HID with just 330 Watts.  Each HLG 350R uses 2 custom designed full spectrum high efficiency Diablo™ quantum boards with Samsung LM301H and LM351H Deep Red.  With a rectangular footprint this fixture is ideal for flowering in smaller grow spaces or vegging in a commercial grow.

This unit is dimmable, with wattage output from 60 to 350 watts.

This light is suitable for covering a 3×5 area.

Ready to hang- No Assembly Required!

For a similar DIY kit, check out the 260W v2 R-Spec DIY Kit

For a VEG version of this light, check out the HLG 300L v2 B-spec


  • 35″ wide design for even light coverage
  • Powered by high efficiency Diablo™ Quantum Boards® for 2.75 PPF/W
  • Features the Quantum Board® QB 648 made by Samsung
  • Full-spectrum White and 660nm Red LEDs
  • Reliable passive-cooled design
  • Better canopy light penetration with diffused light
  • Dimmable power supply included
  • Auto sensing power supply works on 120VAC, 240 VAC, and 277 VAC
  • 3 Year Manufacturer Warranty


  • Power- 60-350 watts (dimmable)
  • Voltage Range- 100-277 VAC
  • System PPF Efficacy- 2.75 μmol/joule
  • Total output- 911 PPF
  • Dimensions- 34.5″ x 10″ x 2.75″
  • Recommended mounting height- 15-24″
  • Nema 5-15P 120v Plug