The Osram Vialox NAV-T (SON-T) 400W E40 High Pressure Sodium Lamp is a single unit manufactured in Germany. This unit is designed for use in facility lighting, particularly in hydroponic setups. With a brand name of OSRAM, this high-pressure sodium lamp is reliable and efficient for providing the necessary light for plant growth. It is suitable for business, office, industrial, and facility maintenance applications where high-quality lighting is required. Brand new never even opened See picture
eBay