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White FloraFlex 400W Full Spectrum LED Grow Light fixture with multiple bars, suspended against a green background.
FloraFlex 400W full spectrum LED grow light with modular bars, spectrum graph, dimensions, and diode detail.
FloraFlex 400W Full Spectrum LED Grow Light PAR distribution and PPFD chart for 4'x4' coverage at 12 inches.
FloraFlex 400W LED grow light specs: electrical, light output (PPF/PPE), 36" fixture/driver diagrams, cables, certifications.
Installation guide for an LED grow light showing 3 steps: positioning diode bars, aligning structure bars, and securing with wing nuts.
FloraFlex 400W Full Spectrum LED Grow Light daisy chain setup, showing voltage/amp table & power cord SKUs.
White FloraFlex 400W Full Spectrum LED Grow Light fixture with multiple bars, suspended against a green background.
FloraFlex 400W full spectrum LED grow light with modular bars, spectrum graph, dimensions, and diode detail.
FloraFlex 400W Full Spectrum LED Grow Light PAR distribution and PPFD chart for 4'x4' coverage at 12 inches.
FloraFlex 400W LED grow light specs: electrical, light output (PPF/PPE), 36
Installation guide for an LED grow light showing 3 steps: positioning diode bars, aligning structure bars, and securing with wing nuts.
FloraFlex 400W Full Spectrum LED Grow Light daisy chain setup, showing voltage/amp table & power cord SKUs.
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FloraFlex 400W Full Spectrum LED Grow Light

Official FloraFlex Dealer Model: FLL-4803
$399.00 USD$299.00 USD$399.00 USD
 $399.00 USD
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
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Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
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  • '1890 µmol/s PPF output covering 5x5 ft vegetative or 4x4 ft bloom areas
  • 8-bar design with 120 degree beam angle for uniform light distribution
  • Universal 120-277V compatibility with tool-free 5-minute assembly
  • 5-year standard warranty covering manufacturing defects and component failures
  • View More Details

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REBATE PROGRAM

Commercial Rebate Program

Licensed operations may qualify for up to a 60% rebate on qualifying equipment.

Rebate & Commercial Inquiry

Contact Information
THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • '
  • You are moving to a bar-style layout because your old single-point fixtures create hot spots that stress the canopy.
  • You are switching to daisy-chained units because managing individual power cords for every light is a cable nightmare.
  • You are prioritizing tool-free assembly because you need to get multiple fixtures hung without hiring an electrician.

What We Found

  • '
  • The snap-together bars are genuinely fast and don't feel loose or flimsy once the full frame is clicked into place.
  • We like that it handles 277V without a transformer, which saves a lot of wiring headaches for larger builds.
  • The heat sinks run cooler than expected even in tight tents, which helps keep your ambient temperatures stable.

What Users Say

  • '
  • Users setting up 20-light rooms say they finished assembly in one afternoon rather than taking several days.
  • Growers who moved from COB lights say the 8-bar spread stopped the light bleaching they used to see in the center.
  • Commercial operators say the 2.7 efficacy rating translated to lower utility costs without losing crop density.

FloraFlex 400W Full Spectrum LED Grow Light

Running inefficient lighting means paying more per gram while leaving yield on the table. The FloraFlex 400W Full Spectrum LED Grow Light solves this with 2.7 µmol/J efficacy and 1890 µmol/s PPF output — commercial-grade photon delivery in a fixture that assembles in under 5 minutes without a single tool.

The 8-bar configuration distributes light at a 120° beam angle across a 5' × 5' vegetative footprint or concentrated over a 4' × 4' bloom canopy for the higher PPFD values flowering demands. Universal 120–277V input compatibility and daisy chain support via the FloraFlex Daisy Chain Power Cord make this fixture equally at home in a single-tent setup or a scaled commercial row.

Passive thermal management keeps the fixture operating reliably in ambient temperatures up to 95°F (35°C) with no fans, no moving parts, and no noise — contributing to an L90 lifespan exceeding 50,000 hours. Certified to DLC, UL 8800, and UL 1598 standards and backed by a 5-year warranty, the FloraFlex 400W is built to the same specification commercial facilities demand.

Features

FloraFlex 400W LED grow light 8-bar configuration
FloraFlex 400W technical specifications
FloraFlex 400W full spectrum light output
FloraFlex 400W PAR coverage map
⚡
Tool-Free Assembly

Snap-together 8-bar design assembles in under 5 minutes — no tools, no technical expertise required.

💡
2.7 µmol/J Efficacy

Delivers 1890 µmol/s PPF at exceptional energy efficiency — maximum photosynthetic output per watt consumed.

📐
8-Bar Coverage

120° beam angle provides uniform distribution across a 5' × 5' veg or 4' × 4' bloom footprint.

🔗
Daisy Chain Ready

120–277V universal input with 0-10V dimming supports scalable multi-fixture installations.

Specifications

Specification Value
Light Source LED with Custom Diodes
Vegetative Coverage 5' × 5'
Bloom Coverage 4' × 4'
Light Output (PPF) 1890 µmol/s
Efficacy (PPE) 2.7 µmol/J
AC Input Power 400W
AC Input Voltage 120–277V AC, 50/60Hz
Light Distribution 120°
Recommended Mounting Height 12" – 24" (30.48cm – 60.96cm)
Thermal Management Passive Cooling
Max Ambient Temperature 95°F / 35°C
Dimming 0-10V
Total Harmonic Distortion (THD) 15%
Lifetime L90 > 50,000 hours
Certifications DLC, UL 8800, UL 1598

Support & Manuals

Access assembly instructions, electrical specifications, and photometric data for the FloraFlex 400W Full Spectrum LED Grow Light.

FloraFlex 400W LED Grow Light Installation
FloraFlex 400W Installation Walkthrough

Warranty

The FloraFlex 400W Full Spectrum LED Grow Light is backed by a 5-year standard warranty covering manufacturing defects and component failures under normal operating conditions.

Frequently Asked Questions

What does the 2.7 µmol/J efficacy rating mean in practice?+

Efficacy measures how efficiently a fixture converts electrical energy into photosynthetically active light. At 2.7 µmol/J, the FloraFlex 400W delivers 1890 µmol/s PPF while drawing 400W — reducing operating costs compared to lower-efficiency fixtures producing the same output over the fixture's lifespan.

How does tool-free assembly actually work?+

The 8 LED bars attach to the central frame using integrated clips and connectors — no screwdrivers, wrenches, or hardware required. The entire unit assembles in under 5 minutes and can be disassembled just as quickly for maintenance or repositioning.

Why does the coverage area change between veg and bloom?+

Vegetative plants require lower PPFD values and can be grown effectively under the wider 5' × 5' footprint. Flowering plants demand higher light intensity, so concentrating output over a 4' × 4' area increases PPFD at canopy level to support dense flower development.

Can I daisy chain multiple units together?+

Yes. The fixture includes daisy chain capability for connecting multiple units in series using the FloraFlex Daisy Chain Power Cord. Universal 120–277V input ensures compatibility with both residential and commercial electrical systems.

Is passive cooling reliable for continuous operation?+

Passive cooling relies on aluminum heat sinks and natural convection rather than fans, eliminating noise and removing mechanical components that can fail. The system is rated for continuous operation in ambient temperatures up to 95°F (35°C) and contributes to the fixture's L90 lifespan of over 50,000 hours.

What is the recommended mounting height?+

FloraFlex recommends mounting the fixture between 12" and 24" above the canopy. Starting at 24" during early growth minimizes light stress, while lowering to 12" during bloom concentrates intensity for flower development. The 120° beam angle maintains uniform coverage across this full height range.

What do the DLC, UL 8800, and UL 1598 certifications cover?+

DLC certification validates the efficiency claims and may qualify the fixture for utility rebate programs. UL 8800 is specific to horticultural lighting safety, and UL 1598 covers general luminaire construction and electrical safety — together confirming the fixture meets the standards required for continuous commercial use.

What does the 5-year warranty cover?+

The 5-year standard warranty covers manufacturing defects and component failures under normal operating conditions, including LED driver failure, diode degradation beyond the L90 specification, and structural defects. Contact FloraFlex directly to initiate a warranty claim.

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Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

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