This Replacement for EYE Lighting 54768 M100X/U/MED is a 100W metal halide HID lamp designed for reliable, high-quality performance in commercial and industrial lighting applications. Featuring an E26 base and ED17 glass bulb, it installs easily into compatible fixtures using an M90 ballast system. Delivering approximately 9,000 lumens of 4000K bright white light, this lamp provides crisp, consistent illumination ideal for retail spaces, offices, and general area lighting. Its universal burn position allows flexible installation, and it is rated for use in enclosed fixtures. With dependable HID performance and efficient operation, this replacement bulb offers long-lasting, high-output lighting for demanding environments where clarity and reliability are essential.