(tirsn-101R) Rebuilt IR source for Thermo Nicolet Nexus FTIR Models: 4700, 5700, 6700, 8700, 8700-USB

Rebuilt  IR source for Thermo Nicolet Nexus FTIR Models:  4700, 5700, 6700, 8700, 8700-USB.  Replacement for Thermo Nicolet part numbers 714-055300, 470-101600.  All rebuilt IR sources have new filaments (the bases and caps are re-used).  Rebuilt units may have limited availability, if these are out of stock see the part number:  TIRSN-101, which are new units and are usually in stock.