MKS 20 SCCM N2 Mass Flow Controller 2258B-0020RV MFC 1/4" MVCR Fitting

MKS 2258B-0020RV 20 SCCM N2 MFC Mass Flow Controller 1/4" MVCR Fitting. Condition is "Used". Shipped with standard shipping.

Has a Nupro SS-4BK-1C-496 pneumatic valve just downstream of the MFC.

The mass flow controller has 1/4" Male VCR high vacuum fittings on the inlet and outlets.