The double-row tube vacuum gas distributor is used for inert gas protection of the reaction system. One tube is a vacuum evacuation tube, and the other tube is an inert gas adding tube, so that the vacuum and gas can be controlled to enter the bottle that needs protection.
Meditry Instrument Co., Ltd., 2 hours drive from Shanghai, is specialized in exporting and supplying high quality laboratory equipment, medical equipments, petroleum oil and chemical testing instruments.