Filter funnel with glass sinter backing, 34mm flange and vacuum connector
The flange diameter is 34mm and accomodates a 25mm sinter diameter, filter paper can be clamped between the flanges. These filter setups are particularly used for particle count. Vacuum can be drawn from below with a buchner flask or a Schott bottle. The cone below allows use of a collection flask with a socket. The top funnel holds 250ml volume.