The Apollo Horticulture 600W Digital Electric Ballast is a high-quality grow light accessory designed for use with HPS and MH bulbs. With a wattage of 600W and a dimmable feature, this ballast allows for adjustable intensity to optimize plant growth. Made in the United States, this purple-colored ballast is compact with dimensions of 15" in length, 8" in width, and 4" in height, making it suitable for various growing setups. Weighing 7 lbs, this ballast is reliable and efficient for promoting healthy and strong plant growth in indoor gardening setups.
eBay