6807A491The Original Hanovia 6807A491 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 257 mm long 6807A491 has a factory warranty of 600 hours. optimized spectral output short exposure times short curing times customer approved Length: 257 mm Spectrum: HG