Conformed to DIN 12394. The side arms are at 20 degree angles with the centre neck. The NS necks are in compliance with DIN 12242 standards.

Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks