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Top-down shot of HLG Greenhouse Pro FS showing long rectangular design and full-spectrum LED layout, built for professional indoor or greenhouse installations.

HLG Greenhouse 350 Pro FS HV LED Grow Light

by Horticulture Lighting Group

Custom Quote Required

Please contact us for a customized quote.

Get 25% off with HLG25

Energy Rebates & Bulk Pricing Available

SAVE BIG! Contact us for Bulk Pricing and Rebate Eligibility, or call us at (973) 206-7590.

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Get an additional 3% off when you pay by ACH, Money, or Zelle. Select your option at check out.

We accept all major credit cards, crypto and Paypal 0% credit plans.More details here.

Full Manufacturer’s Warranty

You buy it, we back it! Your purchase is fully covered with a manufacturer’s warranty. More details here.

Enhance flower development with energy-efficient full-spectrum lighting.

Built for commercial greenhouse cultivation, the HLG Greenhouse 350 Pro FS delivers optimized photon delivery with its integrated reflectors, ensuring maximum light penetration across the canopy. Featuring a white-based full-spectrum output with deep red LEDs, this fixture enhances plant growth, flowering, and overall yield. With an impressive efficacy of 2.85 µmol/J, it outperforms traditional HPS systems while using less energy.

Is the HLG Greenhouse 350 Pro FS Energy-Efficient?

Absolutely. Delivering 1732 PPF at 2.85 µmol/J, this fixture maximizes light output per watt while reducing operating costs. Compared to traditional HPS systems, it delivers higher efficiency, better canopy penetration, and lower heat output, making it a superior choice for greenhouse and indoor operations.

Spectrum

Spectrum graph for the HLG Greenhouse Pro FS LED showing optimized full-spectrum output with blue, red, and deep red peaks tailored for cannabis plant growth.

Features

  • White-based Full Spectrum with Red
  • High efficacy of 2.85 µmol/joule
  • Slim Linear Design to minimize shadowing on plants
  • Integrated reflectors maximizes photon deliver to the canopy
  • Easy Installation
  • Controller Compatible

What's Included?

  • HLG Greenhouse 350 Pro FS LED Light

Specifications

SKU: HLG-GREENHOUSE-PRO-FS-M25-RJ

Power: 0-340 Watts

Voltage Range: 120-277 VAC 50-60Hz, 277-500VAC

LED: Full Spectrum White & Deep Red

Flowering Footprint: 3' x 4' at 15"-24"

Veg Footprint: 5' x 5' at 24"-36”

System PPF Efficacy: 2.85 μmol/joule

Total Output: 950+ PPF

Dimensions: 31.25" x 6.75" x 4.75"

Product Weight: 10 lbs

Certifications: UL 8800, CSA

Grow Light Central expert advice for indoor growing equipment

Who Should Use This LED Light?

  • Commercial greenhouse growers needing a high-efficiency, full-spectrum light.
  • Large-scale cultivators replacing HPS 1:1 with improved photon delivery.
  • Greenhouse operators minimizing plant shadowing with a slim linear design.
  • Growers optimizing flowering and veg cycles with 5' x 5' and 6' x 6' footprints.
  • Smart grow facilities integrating controller compatibility for automation.

Best Applications

  • 5' x 5' flowering areas delivering 1732 PPF for dense, high-yield crops.
  • 6' x 6' vegetative spaces ensuring uniform growth and canopy coverage.
  • High-efficiency greenhouse operations leveraging 2.85 µmol/J efficacy.
  • HPS replacement projects upgrading to energy-saving LED technology.
  • Commercial-scale installations benefiting from easy mounting and auto-sensing power supply.

Why Shop with Grow Light Central?

“There’s a crapload of equipment providers out there. What makes Grow Light Central so special?”

“There’s a crapload of equipment providers out there. What makes Grow Light Central so special?”

Grow Light Central is a grow equipment solution provider connecting you to 100+ brands and 60+ suppliers trusted and used in the best grow facilities across the country.

Anthony, the owner and operator, personally ensures every order is handled right. No passing you off, no runaround, just the expert service and advice you deserve.