Add to Cart Quick view MKS 2259C Mass Flow Controller MFC 200 SCCM MKS Was: $113.00 Was: $350.00 MKS 2259C Mass Flow Controller MFC 200 SCCM General purpose, elastomer sealed mass flow controller with an integrated shut-off valve Designed to measure and control the flow of gases in a wide... 25896 SKU: 25896 Weight: 8.00 LBS