Dropping funnel, 50 ml, graduated, cone/socket size 14,5/23,

with PTFE-stopcock 2,5 mm
Dropping funnel, 50 ml, cylindrical, socket size 14,5/23, drain tube with cone size 14,5/23 and dropping point, graduated, PTFE-stopcock size 12,5/2,5 mm bore, borosilicate glass 3.3