Physical Electronics Ion Gun Reactor Multi-Port Conflat Vacuum Chamber FEATURES: Perkin-Elmer Ultek D-I Pump Precision Electron Energy Analyzer Assembly (15-225G, with Deflection connector) MDC GV-4000M-P (303004) Gate Valve Perkin-Elmer Physical Electronics Division 04-303 Differential Ion Gun head with 4.5″ CF Flange (not installed) Physical Electronics Industries 04-303 Sputter Ion Gun head (installed) The main body of the chamber features nine 2.75″ CF flanges, Two 4.5″ CF flanges, One 6″ CF flange (on top), and Four 8″ CF flanges. YT Vid w/more pix: https://youtu.be/TeV1XmHvg7A  More Info? Use FORM?