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Treegers GL420W LED Grow Light Fixture

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Maximise your yields with this unique LED grow light. Providing industry-best uniformity with coverage of up to 1.2 x 1.2m. Six LED bars provide outstanding compact plug & play design, the Treegers GL420W delivers optimal light distribution and light penetration for your hydroponic crops.

Is this your first Treegers LED Grow Light Fixture? You'll need 1 x Treegers Precise T Dimmer OR 1 x Treegers Growcast controller to get started. If you want to connect multiple LED grow lights to work from one controller then you'll need this linking cable


Power Consumption: 420W ±5%
Light Output PPF: 1155 μmol/s
Fixture Efficacy: 2.8 μmol/J
Diodes Efficacy: Up to 4.2 μmol/J
Coverage Area: Minimum 1.0x1.0m up to Maximum 1.2x1.2 m
Thermal Management: Passive Cooling
Input Voltage: 120-277V, 40/50 Hz
Ingress Protection: IP66
LED Bars Lifetime: +60 000Hrs 
Dimming: 0-10-20-30-40-50-60-70-80-90-100% (w/ Treegers Precise T Dimmer 0-10V)
External Control: w/ Treegers Growcast or any Universal Controller
Light Distribution: 120º
Fixture Dimensions: 680x700x42 mm
Fixture Weight: 5.08 Kg
Certifications: CE, UKCA, RCM, RoHS, SAA
Warranty: 3 Years
Spectrum: Full-Spectrum Fusion


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


Orders are shipped via Australia Post or 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 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 organised.

We reserve the right to charge for any redeliveries if they occur. You are welcome to call us if special arrangements need to be made.  

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


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 these 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.



All payments must be cleared before dispatch. Payments can be made online via PayPal, AfterPay 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.


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 as an electronic Gift Card to be used online or in-store.


We comply with all necessary restrictions and guidelines when shipping any products classified under the Dangerous & Prohibited Goods & Packaging Post Guide.

If, for any reason in compliance with these guidelines, we are unable to fulfil an order a refund will be issued immediately.