Item ID: 139603 1 Offered at Best Price MKS, 252A-1, Exhaust Valve Controller Location: Plano, TX, United States Unit Price Unstated Number of Units 1 Manufacturer MKS Instruments (as Original Eqpt Maker) Model 252A-1 Part Description MKS, 252A-1, Exhaust Valve ControllerExhaust Valve Controller Condition Good Make OFFERSend QUESTIONS