Flask Boiling with joint, flat bottom, short neck, interchangeable joint 5000ml, socket size 34/35, borosilicate glass-EIS-CH0412S

Borosilicate glass, flat bottom, short neck, interchangeable joint.  As per DIN ISO 4797 standard. Cap. 5000 ml, Socket size 34/35 D - 223 mm, H - 280 mm