The Ushio MHL-250 is an MHL series metal halide UV lamp component for qualified professional equipment. Ordering code 5000089 is rated at 250W with a 300-450nm spectral range for Multi-Spectrum applications. It features a RSC base, R7s contact, lead wire length not provided, 15.5 mm diameter, 68mm MOL and 18mm LL. For use only in appropriate UV protective housings and compatible ballast systems.