Arize® Factor ML900


120-277VAC | Pink Reproductive Spectrum | 600W Driver | 2 LED Fixtures per Driver

Item Number: 30220

  • Ideal use location: Indoor high light intensity crops and vertical farms
  • Crops: Lettuce, culinary herbs, strawberries, young plants, floriculture crops and cannabis
  • Coverage area: 4’ x 4’
  • Bar count: 2 bars per fixture
  • Mounting height: 12-24” above crop
  • Pink reproductive spectrum (additional spectrums available)
  • Voltage: 120-277V
  • Wattage: 600W

**Pink Reproductive Spectrum is exceedingly efficient at increasing yield and decreasing  time to harvest for a variety of plants including berries, leafy greens, microgreens and more.** Additional spectrums available upon request: flowering pink, balanced pink. Please contact us for these options.


Created for craft and commercial cannabis cultivators, the Arize Factor ML900 has been designed to optimize light delivery throughout the lifecycle and to help growers achieve specific cultivation goals. Spectral options are available to maximize vegetative growth rates, reduce stretching during transition, and maximize production of secondary metabolites in mature flowers. Average PPFD measured across a 4’ x 4’ footprint (at 24” distance above the canopy) is an industry-leading 1,050 μmol/m2/s.

(Not sure what light to get? Click here)


  • 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
  • More light, fewer watts—PPF up to 1741 µmol/s using just 639W
  • Industry-leading efficiency—up to 2.8 µmol/J
  • Silent operation—passive cooling
  • Driver can be remotely mounted at distances up to 12’ (3.6 m)
  • 0-10V dimmable


  • Efficiently drive vegetative development in single or multi-tier environments
  • Wide (140º) spread for even lighting over a 4’ by 4’ footprint
  • Tailored spectrums to promote increased production of secondary metabolites
  • Lower cost of ownership. L90 > 50,000 hours
  • Deeper canopy penetration for higher crop homogeneity

Choosing a Spectrum

Fixtures and spectrum recommended for common horticulture crops

Crop Stage Spectrum
Leafy greens Germination/ Propagation PPB or PKB as Blue promotes root creation. If you want to maximize your electrical efficacy (µmol/j), your choice is PPB. PKB will be more comfortable to the workers' eyes.
Leafy greens Reproductive PPR or PKR as red promotes biomass and flowering. If you want to maximize your electrical efficacy (µmol/j), your choice is PPB. PKB will be more comfortable to the workers' eyes.
Cannabis Propagation PPB or PKB because more Blue tends to keep the crop in a vegetative state and shorter in size. 
Cannabis Flowering PKR because cannabis secondary metabolite seems to be stimulated by the green portion of light while the low blue to red ratio seems to promote flowering in biomass development.
Ornamentals/ Flowers PPB or PKB will work well and allow growers to reduce plant growth regulators.
Microgreens Any spectrum will work, but high blue will keep the seedlings from stretching.  
Strawberry  PKR is very safe for all berry crops.  Intensity will be most important.
Vine crops/ Supplemental lighting PPR for supplemental lighting in the greenhouse. Academic studies (University of Arizona & Michigan) tend to agree that the best spectrum for greenhouse lighting is the most efficient one in efficacy thus higher micromols/joule should be considered. Tomatoes: PPR - Bell Peppers: PKB (Harrow research center) - Cucumber should be PKR.  If in doubt choose PKR.  It will work in every situation.


  • Cord length: 6-foot leader cable
  • Plug: Nema 5-15P, 120V standard wall plug
  • Mounting accessories: Universal Wire Frame Hanging Mount