UVH 5526/45-4The BLV UVH 5526 45 4 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 640 mm long UVH 5526 45 4 has a factory warranty of 600 hours. optimized spectral output short exposure times short curing times customer approved Length: 640