Buchner Funnel Polypropylene (PP) Plastik 200 ml Isolab ex Germany Cat. 042.02.070 - Isolab Descriptions : Inner diameter : 70 mm For Filter Paper diameter : 70-90 mm Volume : 200 ml * Manufactured from clear, virgine polypropylene with the top part having a perforated filter plate. * The top part can be stacked with the lower part to form a vaccum seal. Upper and lower parts can be separated from each pther for easy and efficient cleaning.