Aera FC-D981C Mass Flow Controller, w/ CA-98DU Module, Multi Gas, -7.5SLM

“Unit shows signs of use but appears to be in good condition with clean fittings.” Aera Model FC-D98C P/N FC-D981SBC-TC Mass Flow Controller MFC CA-98DU Module 1/4" Male VCR Range: -7.5 SLM Gas: MULTI