Sunmaster Conversion Lamp - 1000W 

The 1000-Watt Sunmaster Metal Halide Cool Deluxe conversion lamp operates in standard 600W HPS ballast and ignitor systems. 

This grow light bulb is a reduced size BT-37 type lamp that is tubular in shape, so it will fit most reflectors. The universal design allows both horizontal and "base up" operation.

A 1000W Sunmaster Cool Deluxe MH conversion bulb emits a balanced light spectrum between 5000 - 6500K to imitate natural daylight, making it very effective in promoting both vegetative growth and plant flowering!

A clear bulb with mogul base, the Sunmaster provides 100,000 lumens and has a 9,000-hour life rating.

Get cool MH light spectrum using your 1000W HPS ballast! Carries a manufacturer's 1-year warranty.