DAIHAN® 10mbar Anticorrosive Vacuum Diaphragm Pump “PU-20” , with Fine Regulator and Moisture Trap, 18Lit/minWith Built-in Thermal Protection, Quit and Low Vibration, 내부식성 저소음/저진동 진공 다이어프램 펌프 (DH20030300P2329)