6612A442The Original Hanovia 6612A442 is a high quality bulb made with the finest raw materials. It is designed to provide high actinic output and long service life. The optimized spectral output guarantees rapid curing and short exposure times with the industries best dot to dot quality. The 473 mm long 6612A442 has a factory warranty of 600 hours. optimized spectral output short exposure times short curing times customer approved Length: 473 mm Spectrum: HG