80010767This Heraeus 80010767 compatible* lamp, Twin Tube lamp provides a constant and evenly distributed heat output. This emitter is designed with longevity in mind and offers exceptional mechanical stability for use in high demand environments. The 70 mm long 80010767 has a typical lifetime of 600 600 hours. constant heat output reliable mechanical stability long service life customer approved Length: 70 mm Spectrum: Shortwave Typical lifetime: 3000 hours