Hortilux MH BT37 Small, Universal, 1000W
Works with Harvest Pro, SS10 and Galaxy 1000w ballasts - 120,000 lumens. Top-of-the-line Hortilux lamps provide an ideal spectrum for flowers, fruits, and veggies. Compatible with any 1000-watt metal halide or two-way ballast, this 1000-watt Hortilux Metal Halide Lamp is designed to be mounted in a base-up system such as the 45 in. Vertical Reflector-VR190 or an equivalent. It boasts 120,000 initial lumens, and is rated for 12,000 life-hours.