(tirsn-102) Rebuilt IR source (with new filament, insulation, cord, and plug), for Thermo Nicolet Nexus FTIR Models: 470, 670, 870

Rebuilt IR source (with new filament, insulation, cord, and plug), for Thermo Nicolet Nexus FTIR Models: 470, 670, 870. This requires a core exchange.  Send back old IR source after the new has been received (use same box). This part replaces Thermo Nicolet part numbers 470-426900.