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Horticulture Lighting Group HLG 350 Diablo Full Spectrum LED Grow Light Main
Horticulture Lighting Group HLG 350 Diablo Full Spectrum LED Grow Light topdown
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HLG 350 Diablo Full Spectrum LED Grow Light

Price:
$549.00 USD
Or
Pay as little as
$54900/mo
for a term that suits you, up to 36 months. Learn More

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Order today, ships between May 8 - May 22, 2025

About HLG 350 Diablo Full Spectrum LED Grow Light:

Full Spectrum

Type

330W

Power

3' x 5'

Coverage

5 Years

Warranty

HLG 350 Diablo Full Spectrum LED Grow Light

The HLG 350 Diablo commercial full spectrum LED grow light is designed to replace a 600 watt HID with just 330 Watts. Each HLG 350 Diablo uses 2 of the custom designed Advanced Design Diablo Quantum Boards® with Samsung Full Spectrum White &  Deep Red LEDs.

With its rectangular footprint and integrated reflectors, this fixture is ideal for flowering in smaller grow spaces or vegging in a commercial grow.

Integrated reflectors improve photon delivery resulting in higher quality yields even at the lower levels of the canopy. This incredibly efficient full spectrum horticulture lamp has an efficiency of 2.80 PPF/W.

The HLG 350 Diablo comes with a 5-year warranty.

HLG 350 Diablo Features


Vegging and Flowering Certified
Vegging and Flowering Certified

Whether you're a hobbyist or are looking to scale up your operation and run a commercial-scale operation, HLG 350 Diablo is the ideal one for you. It works for both vegging and flowering, no matter the size of your grow space.


Energy Efficient
Energy Efficient

The HLG 350 Diablo can take over your 600 watt HID lamp while using less power.The HLG 350 Diablo is ideal for those looking to grow their plants indoors in any environment. It's an energy-efficient, high-output LED light that uses only 330 watts of power, yet produces up to 6,000 lumens.


Even Light Distribution
Even Light Distribution

The HLG 350 Diablo spans 35 inches to distribute light evenly in your grow area. It is a powerful grow light that covers a wide area to evenly distribute its light. The HLG 350 is designed to provide a powerful and even light distribution.


5-Year Warranty
5-Year Warranty

TThe HLG 350 Diablo comes with a 5-year warranty, meaning you can relax and enjoy your grow light with the confidence that it will be there for years to come.


Highlights

  • 35" wide design for even light coverage
  • Powered with high efficiency Diablo™ Quantum Boards® for 2.80 PPF/W
  • 950+ PPF high output to replace even 600W HPS
  • Full spectrum white and 660nm red
  • Reliable passive-cooled design
  • Better canopy light penetration with diffused light
  • 0 to 330 Watts dimming design
  • Auto sensing Inventronics power supply works on 120VAC, 240VAC, and 277VAC
  • 5 Year Warranty

    Spectrum Analysis

    HLG 350 Diablo

    HLG 350 Diablo Grow Light Specifications

    • Power: 0-330W
    • AC Voltage Range:  120-277 VAC 50-60Hz
    • LED:  Full Spectrum White & Deep Red
    • Flowering Footprint: 3' x 5' /  15" Flower
    • Veg Footprint: 5' x 5'/ 24" Veg
    • System PPF Efficacy:     2.80* μmol/joule
    • Total output:     950+ PPF
    • Dimensions:     35" x 9.5" x 3.25"
    • Weight: 10 lbs
    • Mounting Height:  15" - 24" above canopy
    • Certifications:  UL 8800, CSA, DLC

    HLG 350 Diablo Manual

    HLG 350 Diablo
     HLG 350 Diablo Manual

    HLG 350 Diablo LED Light Warranty

    HLG offers a 5-year warranty. Warranty does not cover user error or operator abuse.

    Shipping & Returns

    Order Processing & Shipping

    We currently ship within the United States only. No international shipping is available at this time.

    Order Processing:

    • Most orders are processed within 24-48 hours after being placed.
    • Some products may have extended processing times of 7-14 business days or more, which will be clearly indicated on the product page. If your order includes such items, you will receive an email from our team or be contacted directly to confirm the estimated shipping timeframe.

    Shipping Times:

    We partner with reliable national carriers to deliver your orders. While specific delivery times can vary, here's a general timeframe for each carrier:

    • USPS: Typically delivers between 9:00 AM and 5:00 PM, Monday through Saturday.
    • FedEx: Typically delivers between 8:00 AM and 8:00 PM, Monday through Friday, with some Saturday deliveries.
    • UPS: Typically delivers between 9:00 AM and 7:00 PM, Monday through Friday, with some Saturday deliveries.

    Note:

    • These are estimated delivery hours and may vary depending on your location and specific delivery circumstances.
    • For the most accurate delivery information, please refer to the tracking details provided once your order has shipped.

    Free Shipping

    Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more

    Refunds & Returns

    Cancellations are accepted within 24 hours of placing an order.
    Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more

    Read More

    Customer Reviews

    Based on 1 review
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    D
    David F.
    HLG 350

    My first grow under this light produced 28 ounces. I stuffed 6 plants under this light quality was on par with my Hps grows in the past with potency higher than past grows under a 600w hps. If you are looking for an efficient replacement for a 600w hps this is the light you want.

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