Conversion Bulbs (Sodium to Halide) - Free Shipping

High Intensity Discharge (HID) Conversion Bulbs make it possible to run a metal halide (MH) bulb from your high pressure sodium (HPS) ballast or a HPS bulb from your MH ballast. Makes it easy to customize your grow light source to the growth stage of the plant. One year warranty.

400 Watt - 36,000 initial lumens
600 Watt - 50,000 initial lumens
1000 Watt - 118,000 initial lumens

Free ground shipping in the contiguous 48 United States.