The Keystone 1000W High Pressure Sodium Ballast Kit HPS-1000A-Q-KIT is a reliable and efficient lighting solution for commercial and industrial facilities. With a brand known for quality, this ballast kit ensures optimal performance and safety for your high-pressure sodium lamps. Designed for easy installation and maintenance, this product is a great choice for those looking to upgrade their facility’s lighting system with a trusted brand like Keystone.