SunMaster 600W MH COOL Lamp 5500K MH or HPS Ballast Type

Sunmaster 600-watt COOL lamps are the growers choice throughout North America and Europe. Chemically weighted with stronger blue wavelengths, the 600W COOL encourages increased internodes while maintaining compact growth. The tailored spectral output promotes larger leaf area and thicker primary stems. E-ballast compatible. One-year warranty.