Bottle made of PFA. PTFE top with two threaded connections. The standard PTFE frit has a pore size of approx. 3 µm and is screwed on the riser tube with an M8x1 thread. It can be exchanged with the PTFE gas distributor with fine bores (Cat. No. N 1501-16) which needs a lower primary pressure. Capacity ml 250, Total height mm 175, Connection for tubing O.D. mm 2 x 6, O.D. of column mm 60