Dropping funnel, 50 ml, graduated, joints size 29/32, stopcock 2,5 mm,

with pressure compens. tube
Dropping funnel, 50 ml, cylindrical, socket size 29/32, drain tube with cone size 29/32 and dropping point, with pressure compens. tube, graduated, PTFE-stopcock size 12,5/2,5 mm bore, borosilicate glass 3.3