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Horticulture Lighting Group 350 Diablo LED Grow Lamp

SKU: hl14766  |  Model: HLG-350R-DIABLO
Regular price $59800

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Manufacturer's Warranty

5-Year Limited Warranty

What's In The Box?

  • HLG 350 Diablo
  • 120V/240V Power Cord
  • Owner’s Manual
  • Installation Kit

Info & Guides

Description

Swapping an old 600-watt HID fixture for the Horticulture Lighting Group 350 Diablo LED Grow Lamp cuts your power draw to 330 watts and still lights a small grow space. The lamp is 35 inches long and spreads diffused light across your canopy, so coverage is more even and light gets deeper into the plants. You can choose the Standard or GrowFlux configuration, depending on how you want to control dimming.

Passive cooling means the HLG 350 Diablo has no fans to clean or replace. Its slim 3.25-inch profile and 10-pound weight also make it easy to hang from a crowded tent ceiling, where a bulky reflector would get in the way.

Key Features and Benefits of the Horticulture Lighting Group 350 Diablo LED Grow Lamp

  • Diablo Quantum Boards: The lamp has 2 custom Diablo Quantum Boards with Samsung Full Spectrum White and Deep Red LEDs, which give your plants light across the full spectrum.
  • High Light Output: A total output of 950 PPF (micromoles of light per second) gives your plants enough intensity to push yields higher in a compact space.
  • 2.8 Efficacy Rating: At 2.8 micromoles per joule, more of the power you pay for turns into light your plants can use instead of wasted heat.
  • Mounting Range: Hang the lamp 15 to 24 inches above your canopy, with full flowering coverage at the 15-inch height.
  • Voltage Options: The lamp works with 120-volt, 240-volt, and 277-volt AC power supplies, so you can wire it into a home outlet or a commercial circuit.
  • Safety Certifications: It is listed to UL 8800, CSA, cETLus, and DLC standards, so you can install it with confidence that it meets recognized safety requirements.
  • Compact Fixture: The lamp measures 35 x 9.5 x 3.25-Inches (L x W x H), so it fits narrow tents and leaves room for fans and ducting.

Standard vs GrowFlux: Choosing Your Dimming Control

The HLG 350 Diablo comes in 2 configurations: Standard and GrowFlux. They differ in how you adjust light intensity.

  • Standard: The Standard configuration has a manual knob on the fixture, so you can dial intensity up or down by hand during each growth stage.
  • GrowFlux: The GrowFlux configuration gives you wireless dimming through the GrowFlux app for up to 200 lights, plus a 0-10V jack for connecting a 3rd-party controller.

Note: GrowFlux wireless dimming requires the GrowFlux Access Point, and 0-10V dimming requires a 3rd-party controller.

Sylvane's Expert Take

If you're running a single tent of about 3 x 5 feet and want to retire a hot HID fixture, the HLG 350 Diablo fits that job well. Its 2.8 efficacy rating matters most, because it decides how much usable light you get from every watt on your electric bill.

Pick Standard if you'll hang 1 or 2 lights and set them by hand. Pick GrowFlux if you plan to dim several fixtures from your phone. Both versions use the same boards and produce the same output, so you're only choosing how you want to control them.

Specifications

    Key Specifications

    • Total Output (PPF)
      950

    General

    • Certifications
      cETLus
    • Dimming Control Type
      Growflux: RJ12 0-10V (Requires 3rd Party Controller)
      Standard: Manual Knob
    • Flowering Footprint (ft.)
      3x5
    • Lighting Type
      LED
    • System PPF Efficacy (μmol/joule)
      2.80
    • Veg Footprint (ft.)
      5x5

    Power

    • Plug Face Type
      Hardwired
    • Voltage (V)
      110-120
    • Watts (W)
      330

    Dimensions

    • Depth (in.)
      35.0
    • Height (in.)
      3.25
    • Weight (lbs.)
      10
    • Width (in.)
      9.5

    Additional Features

    • Additional Features
      Full Spectrum, Dimmable, Applicable for Indoor Growing

    Warranty

    • Manufacturer's Warranty
      5-Year Limited Warranty

Frequently Asked Questions

What is Sylvane's shipping and return policy?

Sylvane offers free standard shipping on orders over $45 to the lower 48 states. Orders under $45 ship for $5.95. Shipping to Hawaii, Alaska, and Canada may cost extra, and we don’t ship to other international locations. Most orders ship within 1–2 business days. We’re committed to your shopping satisfaction, so we offer a 30-Day Money-Back Guarantee on our products and a no-hassle return process.

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