Arize® Factor ML300

High-efficiency professional LED grow light designed to power vegetative growth in high density indoor cultivation spaces.

cULus 5 Year Warranty Assembled in USA IP Rated Wet Rated

Features & Benefits

  • More light, fewer watts—PPF up to 1728 µmol/s using just 622W
  • Efficiently drive vegetative development in single or multi-tier environments
  • Versatile—each light bar can hang independently from top or side hanging bars
  • Reliable and rugged: passes the industry’s most extensive testing
  • rated IP65 for water and dust ingress protection
  • Wide (140°) spread for even lighting over a 4’ by 4’ footprint
  • Cover more area with up to 3x fewer fixtures
  • Three tailored spectrums for targeted plant response, from strong initial growth to increased production of secondary metabolites
  • Deeper penetration promotes compact and more canopy level flowering sites


Family Modules/Configurations
4-, 5-, 6-bar arrays
Voltage Offering
120-277 V, 277-480 V
Mounting Options
Grow cart, Suspended
Light Output Range
1,134 - 1,728
Wattage Range
415 - 635
Optics & Distributions
Wide batwing
Wet, IP65
Operating Temp
0 to 40
Lumen Maintenance Rating
L90 @ 50,000 hours

Product Documents

Installation Guides

Professional LED Horticultural Lighting for Single or Multi-Tier Indoor Farms

Arize Factor ML300 provides a robust, reliable and scalable lighting solution for the most demanding, high-density, indoor vertical cultivators. Tested to the industry’s most rigorous standards, Arize® Factor ML300 offers some of the highest performance and efficiency in its class. Ideal for multi-level growth chambers, cultivators enjoy fast, vigorous growth while using less energy.

Versatile Design

Arize Factor ML300 allows growers maximum flexibility in set-up and throughout the growth cycle. The side mount can be installed on the side of a grow cart using a transversal bar, meaning it can easily fit underneath ventilation equipment. The power supply can be remotely mounted up to 6’ (1.3m) away from the light bars helping growers to make the most of available vertical space.

Assembled in the USA

Arize Factor ML300 is proudly assembled in Hendersonville, North Carolina. Its IP65 rating means it remains safe, efficacious and reliable even in humid and environments. Protected by our standard five-year warranty and a >50,000 hour (L90) lifetime, this state-of-the-art professional horticultural lighting fixture is the basis of consistent high yields for years to come.


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