Description

This HydroFarm SPG16.4K 1000-watt pulse start metal halide bulb helps plants to grow their best! The 6400 Kelvin full spectrum color temperature, ideal for the vegetative stages of plants, and is designed for use with certified electronic and digital electronic ballasts. With a long life of 20,000 hours, these lamps have little color shift or loss of light output, making them more reliable than most metal halides on the market today.