The Osram PLANTASTAR bulb is the only 600w 400v bulb (other than the Sylvania GROLUX 600w 400v) that was designed for horticultural applications.
£42.00
The Osram PLANTASTAR bulb is the only 600w 400v bulb (other than the Sylvania GROLUX 600w 400v) that was designed for horticultural applications.