1.Suck type vacuum filtration buchner funnel is closed type vacuum filtration system,which is most suitable for filtering poisonous, harmful, volatile or dangerous solution.2.This type vacuum filter is also named vacuum filter chemistry, which is mainly used in bio pharmaceutical industry, for herbal extraction, liquid-liquid extraction and normal temperature reaction,etc.3.Vacuum pump is available for suck type vacuum filter chemistry:TypePour type vacuum filterSuck type vacuum filterModelVF20PVF20SFilter cup (L)33Receiving flask (L)2020FEP vacuum pipe/OD 12mm / ID 10mmFilter disk40-80 μm (grade changeable at request)40-80 μm (grade changeable at request)Ceramic buchner funnel w/filter diskOptionalOptionalDimensions43 * 53 * 115H48 * 56 * 160HApplicationsOpen system, suitable for filtering general solutionClosed system, suitable for filtering poisonous, harmful, volatile or dangerous solution