Filter Tube Glass 20mm M 14 ,Each

Details:

Filter tube, airfree^ joint size: 14/20. Frit o.D; 20mm; porosity: medium; stopcock type: glass. Similar to af-0544, but with the addition of two 2mm glass stopcocks with constant pressure retension devices or all fluoropolymer resin airfree valves at either end of the tube.