SUNMASTER COOL Metal Halide Lamps surpass many other HID sources in PAR watts - the most objective measurement of total light energy available for photosynthesis.
Available in 400 watt, 600 watt or 1,000 watt versions.
SUNMASTER COOL 5500K Lamps set new standards in general plant lighting, promoting high levels of photosynthesis without compromise.
Designed for optimal performance on electronic ballasts
Maximum blue for seedling and vegetative growth
Sufficient orange-red for stem elongation and flowering
Ideal lamp for display purposes
Balanced spectral output
Ballast Type: HPS
Case Quantity: 6