This Replacement for EYE Lighting 50396 MF1000BX/U is a 1000W multi-metal halide HID lamp engineered for maximum light output in demanding commercial and industrial applications. Featuring an E39 mogul base and BT glass bulb, it installs easily into compatible fixtures using an M47 ballast system. Delivering approximately 110,000 lumens of 3800K bright white light, this lamp provides powerful, consistent illumination ideal for warehouses, manufacturing facilities, sports venues, high-bay lighting, and other large-area applications. Its universal burn position allows flexible installation in compatible fixtures. With a rated life of up to 12,000 hours, this HID replacement bulb offers dependable performance, high-output illumination, and reduced maintenance for environments requiring reliable, high-intensity lighting.