This lamp is for use with a 400v ballast or complete fixture. Do not use it with a standard 230v ballast!
Ideal for both vegetation and flowering
The Sunmaster Dual Spectrum high pressure sodium lamp has been developed specifically for horticultural use. It has an enhanced blue spectrum, making it ideal for use from start to finish.
This is a 400v high par output lamp, it can only be used with 400v digital ballasts.