Yield Lab 1000w Metal Halide (MH) Digital HID Grow Light Bulb (5500K) – 1 Bulb – Hydroponic, Aeroponic, Horticulture Growing Equipment;

Yield Lab Metal Halide bulbs are ideal for the seeding and vegging stages of your grow. Emitting an intense blue light spectrum at a low temperature, they'll help your plants build stem and branch strength without bleaching or frying the leaves. Compatible with both digital and magnetic ballasts and backed by a 1 year manufacturer's warranty, these are ready to be incorporated into your system!