HPA 1010 SE FXThis is a TwinPack deal. You'll receive two (2) bulbs. The Philips HPA 1010 SE FX 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 116 mm long HPA 1010 SE FX has a typical lifetime of 600 hours. optimized spectral output short