growlite Tru Blue MH 6500K 400W & 600W Lamps

Tru Blue lamps are the only true MH lamp for vegetation cycles and are designed to provide the complete blue spectrum to optimize overall vegetation quality and stability. 400W MH Performance Initial Lumens: 32,000 Lamp Lumens Per Watt: 80 Rated Life: 10,000 hours Color Temperature: 6500k Color Rendering Index (CRI): 70 Burning Position: Vertical Only (Base-Up) Bulb Designation: BT37 Fixture Rating: Open/Closed To 90% Warm Up Time: 3-5 min Hot..

£55.95