HORTILUX Metal Ace (converts HPS to metal halide) conversion lamps are metal halide lamps that operate on high pressure sodium systems. A one-dimensional lighting system is easily and economically converted into a complete (metal halide/HPS) growing system, providing the full range of spectral energy required for all stages of plant growth and development. These lamps are 100% lead-free.

• Hydrofarm only offers the best bulbs in the industry
• Backed by manufacturer's warranty
• Great for indoor gardening or supplemental greenhouse lighting
• We carry all HPS, MH, CMH, DE bulbs
• Another great item from Flora Hydroponics