THO 2217The Original Theimer THO 2217 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 196 mm long THO 2217 has a factory warranty of 600 hours. optimized spectral output short exposure times short curing times customer approved Length: 196 mm Spectrum: FE