This Replacement for GE 18679 MXR100/C/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 white glass bulb, it installs easily into compatible fixtures using an M90 ballast system. Delivering approximately 8,500 lumens of 3200K warm white light, this lamp provides bright, 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 both open and enclosed fixtures. With a compact 5.43" length and a rated life of up to 15,000 hours, this multi-vapor HID replacement bulb offers dependable performance, reduced maintenance, and efficient operation for everyday commercial lighting needs.