For all instruments with one E2M28 and one E1M18 foreline vacuum pump like the Ultimas.
Replaces Waters part no.: M955639BD1-S
Quantity: 1
For Q-Tof Ultima API Mass Spectrometer; Q-Tof Ultima Global Mass Spectrometer; Q-Tof Ultima MALDI Mass Spectrometer; Quattro Ultima Mass Spectrometer; Quattro Ultima PT Mass Spectrometer
