With fire-polished upper rim
With glass NB stopper, glass stopcock
With glass NS stopper, PTFE stopcock
With glass NB stopper, PTFE stopcock
With glass NB stopper, glass stopcock, DIN 12450
With glass NS stopper, glass stopcock, DIN 12451
With glass NS stopper, PTFE stopcock, DIN 12451
With glass NS stopper, glass stopcock, graduated, DIN 12451
With glass NB stopper, PTFE stopcock, graduated, DIN 12451
With glass NB stopper, PFTE stopcock
With glass NB stopper, glass stopcock, graduated
With glass NB stopper, PTFE stopcock, graduated
Glass stopcock
Glass stopcock, with standard ground cone
With glass NB stopper, glass stopcock, with standard ground cone
With glass NB stopper, PTFE stopcock, with standard ground cone
With glass NB stopper, glass stopcock, with s. ground cone, graduated
With glass NB stopper, PTFE stopcock, standard ground cone, graduated
With glass NB stopper, glass stopcock, standard ground cone, graduated, with pressure equalisation tube
With glass NB stopper, PTFE stopcock, standard ground cone, graduated, with pressure equalisation tube
With glass NB stopper, PTFE stopcock, graduirani
With one bulb, bent