High intensity discharge (HID) Conversion Bulbs make it possible to run a metal halide (MH) lamp from your old school high pressure sodium (HPS) coir and coil ballast. Makes it easy to customize your light source to the growth stage of the plant.
• MH lamps operate on HPS light systems
• Provides blue spectral energy for vegetative growth
• Transforms an HPS system into a more versatile growing system
• Available in TWO convenient sizes
• One year warranty
400 Watt – 36,000 initial lumens
1000 Watt (Hortilux Metal Ace) – 110,200 initial lumens, 4200K