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Treegers | GL420W LED Grow Light Fixture

Regular price
$759.00
Regular price
Sale price
$759.00
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Good To Know

Full-Spectrum Fusion
60,000+ Hours

Dimensions

680 x 700 x 42mm
5.08kg

Warranty

3 Years

Pairs Well With
Treegers GL420W LED grow light fixture with multi-bar design for indoor hydroponic and full-cycle plant growth
Treegers GL420W LED grow light under view showing six full-spectrum LED bars for hydroponic and indoor plant cultivation
Treegers GL420W full-spectrum LED grow light with parallel light bars for even canopy coverage in indoor grow tents
Treegers Full-spectrum LED grow light spectrum chart showing balanced blue, green and red wavelengths for indoor plant growth
Treegers LED grow light features and certifications including 2.8 µmol/J efficiency, IP66 waterproof rating, 3-year warranty and plug-and-play setup

Product Details

💡 Treegers GL420W LED Grow Light Fixture (420W, 6-Bar)

Looking for a compact, plug-and-play light for a 1.2 x 1.2m tent? The Treegers GL420W LED Grow Light Fixture packs 6 LED bars into a compact design, delivering 1155 µmol/s PPF at a fixture efficacy of 2.8 µmol/J. With an integrated driver, silent passive cooling and an IP66 rating, it covers from 1.0 x 1.0m up to 1.2 x 1.2m.


⚡ Key Features

  • Strong light output: 1155 µmol/s PPF from 420W ±5% power consumption
  • Efficient diodes: 2.8 µmol/J fixture efficacy, using diodes rated up to 4.2 µmol/J
  • Compact coverage: minimum 1.0 x 1.0m up to a maximum of 1.2 x 1.2m
  • Plug-and-play design: 6 detachable, easy-click magnetic LED bars with an integrated driver
  • Even light: strategically placed diodes and optical lenses spread light evenly across the canopy
  • Silent passive cooling: no fans to wear out or make noise
  • IP66 rated: silicone resin-coated diodes and watertight cable connections
  • Easy to clean: smooth resin coating
  • Full dimming control: 0–100% in 10% steps with the Treegers Precise T Dimmer 0-10V
  • External control: compatible with Treegers Growcast or any universal controller

🎛️ Compatible Controllers (Sold Separately)

🔆 Treegers Precise T Dimmer 0-10V

  • Simple knob for manual dimming: off, then 10% to 100% in 10% steps
  • Controls up to 50 LED fixtures
  • Connects with a self-locking LLT connector on a 3m cable
  • Compatible with all Treegers LED fixtures
  • IP67 cable and connector, plus a 2-year warranty

📱 Treegers Growcast Smart Lighting Controller

  • Set on/off timers, sunrise and sunset transitions and PPFD targets in the free Telos app (Android and iOS)
  • Controls up to 50 daisy-chained lights from a single unit
  • Runs on a private Bluetooth Mesh 5.3 network, with no Wi-Fi or account login needed
  • Dims from 10–100% plus dim-to-off via 1-10V or PWM, or adjust it with the built-in touch sensor
  • Powered by USB-C or 12V from the LED driver
  • IP66 rated, with a 2-year warranty

🔗 Running More Than One Light?

Connect multiple compatible fixtures in series with a 4m linking cable, so they all run from the same controller.


🌱 Full-Spectrum Fusion Spectrum

The Treegers GL420W uses the Full-Spectrum Fusion spectrum, combining 4000 K, 5000 K and 660 nm diodes. It suits full-cycle growing and is especially well suited to propagation, clones, mother plants and vegetative growth.


🛡️ Built to Last

  • LED bar lifetime of 60,000+ hours
  • 3-year warranty

📋 Specifications

  • Power consumption: 420W ±5%
  • Light output (PPF): 1155 µmol/s
  • Fixture efficacy: 2.8 µmol/J
  • Diode efficacy: up to 4.2 µmol/J
  • Coverage area: 1.0 x 1.0m minimum, 1.2 x 1.2m maximum
  • Thermal management: passive cooling
  • Input voltage: 120–277V
  • Ingress protection: IP66
  • Light distribution: 120°
  • Fixture dimensions: 680 x 700 x 42mm
  • Fixture weight: 5.08kg
  • Certifications: CE, UKCA, RCM, RoHS, SAA
  • Warranty: 3 years

📦 What’s in the Box

  • 1 x GL420W fixture (6 LED bars, integrated driver and frame)
  • 1 x power cable (1.8m, plug & Jnicon connector)
  • 2 x stainless cable hangers (D2 x 105mm)
  • 1 x user guide

FAQ

Q. What size grow area does the Treegers GL420W LED Grow Light cover?

The Treegers GL420W covers a minimum of 1.0 x 1.0m up to a maximum of 1.2 x 1.2m, making it a great match for 1m and 1.2m grow tents.

Q. How much light does the Treegers GL420W produce?

It delivers 1155 µmol/s PPF from 420W ±5% of power, at a fixture efficacy of 2.8 µmol/J. Big output from a compact fixture!

Q. Is the Treegers GL420W good for clones and vegetative growth?

Yes. Its Full-Spectrum Fusion spectrum combines 4000 K, 5000 K and 660 nm diodes. It suits full-cycle growing and is especially well suited to propagation, clones, mother plants and veg.

Q. Is the Treegers GL420W dimmable?

Yes. It dims from 0–100% in 10% steps using the Treegers Precise T Dimmer 0-10V, and it can also be run from the Treegers Growcast or any universal controller.

Q. Which controller should I choose for the Treegers GL420W, the Precise T Dimmer or the Growcast?

Go the Treegers Precise T Dimmer 0-10V if you want simple hands-on dimming with a knob. Pick the Treegers Growcast if you want app-based timers, sunrise and sunset transitions and PPFD targets with no Wi-Fi needed. Both are sold separately.

Q. Is the Treegers GL420W hard to set up?

Not at all. It is a plug-and-play fixture with an integrated driver, and the magnetic LED bars click into place.

Q. Is the Treegers GL420W waterproof?

It is rated IP66, with silicone resin-coated diodes and watertight cable connections, and its smooth coating makes it easy to wipe clean.

Q. Does the Treegers GL420W have fans?

No. It uses passive cooling, so it runs silently with no fans to replace.

Q. How long will the Treegers GL420W last?

The LED bars are rated for 60,000+ hours, and the fixture is backed by a 3-year warranty.

Q. What comes in the box with the Treegers GL420W?

You get the GL420W fixture with 6 LED bars, an integrated driver and frame, plus a 1.8m power cable, 2 stainless cable hangers and a user guide. Controllers are sold separately.

Overall rating: 5.0 / 5 from 1 reviews.

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Reviews

Best lighting ever

"Very happy with the purchase"

— sergiy v. (5/5)

Q&A

Warranty & Returns

Please choose your products carefully, as A-Grade Hydroponics reserves the right not to accept returns based on either an incorrect choice or a change of mind.

However, we love happy customers so contact us with your query and we will do our best to accommodate you. If you have queries about a product you would like to purchase, please contact us to discuss your concerns before you buy.

A-Grade Hydroponics will honour all manufacturers warranties subject to the terms and conditions of those manufacturers. However warranty does not cover abuse, neglect, improper care, loss or damage from incorrect usage.

Warranty claims will be processed at A-Grade Hydroponics' discretion as a refund, repair or replacement. If products need to be returned to us for warranty purposes e-mail us at grow@agradehydroponics.com with the receipt/invoice number, date of purchase and a brief description of the fault (including photographs where possible). We will then issue you with a product return number.

All returns should be in original packaging and have the receipt/invoice number, date of purchase, and product return number enclosed. The product return number should also be written on the outside of the package for easy identification purposes.

A-Grade Hydroponics has a strict 'no returns' or refunds policy for liquid products, like nutrients, additives, gels, calibration fluids etc, so please choose these items carefully.

Shipping & Delivery

*All orders are dispatched in unmarked boxes to maintain your privacy.*

DISPATCH AND DELIVERY

Orders are shipped via Australia Post or shipping platform Big Post. Orders are generally dispatched on Tuesday, Wednesday and Friday. Please allow for additional delivery time for remote areas. If you require express delivery, please contact our sales representatives at 03 9555 6667 or email grow@agradehydroponics.com to obtain a quote. 

Couriers will attempt delivery to the specified address. If no one is home to receive the delivery, the couriers will leave your parcel somewhere safe. If there is no safe place, re-delivery or collection will be offered by the carrier.

Due to the increasing frequency of online fraud and theft, we are unable to ship to P.O. Boxes and Parcel Lockers.

SHIPPING COSTS

All freight charges are calculated on weight, dimensions and location. We are committed to keeping shipping charges at a minimum and do not charge handling fees.

Please note: Freight costs are subject to change. Regional areas, large and bulky orders, and tail-lift delivery occasionally incur an additional levy. Should shipping costs need to be amended it will be to reflect the actual charges, and not incur additional ‘shipping and handling’ fees. We will notify you if this rare situation occurs.

A-Grade Hydroponics reserves the right to cancel the order if shipping costs become prohibitive and customers will be issued a full refund.

PAYMENT

All payments must be cleared before dispatch. Payments can be made online via PayPal, AfterPay, PayID or Electronic Funds Transfer. Payments can also be accepted via credit card by phoning 03 9555 6667.

Please allow at least 24 hours for payments to clear.

FULFILMENT OF ORDERS

You will be notified immediately if an item is permanently unavailable, with options for a replacement item at equal or higher value, refund or store credit.

All refunds will clear within 3-5 business days. Store Credits will be issued to customer accounts for future use online or in-store.

DANGEROUS AND PROHIBITED GOODS

These goods are available for in-store collection only.