PAT/UVH 1522-1The Patent Licht PAT UVH 1522 1 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 275 mm long PAT UVH 1522 1 has a factory warranty of 600 hours. optimized spectral output short exposure times short curing times customer approved