(840-128900) On-Axis KBR beam splitter the Thermo Nicolet Magna (x50, x60), Nexus x70, Nicolet X700, and IS50 FTIRs

840-128900  KBR On-Axis Beam splitter.   Rebuilt with new KBR substrates, fully tested. Works for all models that use a replaceable On-Axis beam splitter (clear hole in the center).   Compatible with Magna x60, Nexus X70, Nicolet X700, and IS50 FTIRs. Thermo Nicolet Magna (550, 560, 750 ,760) and all Nexus models:  470, 460, 660, 670, 4700, 6700, 8700, and the IS50 FTIRs.