BLOWOUT SALE! High intensity discharge (HID) Conversion Bulbs make it possible to run a metal halide (MH) lamp from your old school 400W high pressure sodium (HPS) coir and coil ballast. Makes it easy to customize your light source to the growth stage of the plant.
Features:
• MH lamps operate on HPS light systems
• Provides blue spectral energy for vegetative growth
• Transforms a 400W HPS system into a more versatile growing system
• One year warranty
Sizes:
400 Watt – 36,000 initial lumens, 4000K color temperature.
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