Heraeus Q253 Z4 - MHL-250 Graphic Arts Light BulB - Description - Metal Halide - Watts 250W - Volts 125V - Spectral Range 300-450nm - Process Multi-Spectrum - MOL (A) 68mm - Arc Length (B) 18mm - Diameter (C) 15.5mm - Lead Wire Length NA - Base RSC - Contact R7s Heraeus Q253 Z4 - MHL-250 Graphic Arts Light Bulb