Philips Electromagnetic HID-Basic BHL MK4 (HPL/HPI)

Working across both HPLP and HPI lamps, these high quality and durable HID-Basic copper and iron ballasts boost your lighting solutions. Coming with cooler ballast and improved thermal features as standard, these electromagnetic ballasts deliver you reliability. Designed to operate in a range of environments, including remote installations, you’ll be guaranteed long lasting performance when you install one of these.