The Ushio MHL-450 is an MHL series metal halide UV lamp component for qualified professional equipment. Ordering code 5000114 is rated at 450W with a 300-450nm spectral range for Multi-Spectrum applications. It features a RSC base, R7s contact, lead wire length not provided, 16.3 mm diameter, 106mm MOL and 31mm LL. For use only in appropriate UV protective housings and compatible ballast systems.