RQ 1154 Z1 KCThe Heraeus RQ 1154 Z1 KC compatible* lamp, 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 132 mm long RQ 1154 Z1 KC has a typical lifetime of 600 hours. optimized spectral output short exposure times short curing times customer approved Length: