Three-neck round flask 250 ml CN NS 14/23, SN NS 1

Round bottom flasks with three necks, NS joints, parallel, borosilicate glass 3.3

Manufactured from borosilicate glass 3.3 which is resistant to heat and almost all chemicals. The flasks have thick walls, heavy bases and reinforced rims which prevent breaking. They meet the highest quality standards according to DIN 12394. Side arms are parallel with the centre neck. NS necks are in compliance with DIN 12242 standards.