Wide neck Erlenmeyer flasks, DURAN®, scale, 25 ml, not in acc. with DINWide neck Erlenmeyer flasks, DURAN, scale, 25 ml, not in acc. with DIN Material: DURAN glass. Autoclavable: yes. With retrace code. Acc. to DIN ISO 24450 (Art. No. C144. 1, C152. 2, AAA3. 1, AAA4. 1 and AAA5. 1 not acc. to DIN). Flasks up to 2000 ml, graduated. Technical Information Vol. 25 ml Outer flask 42 mm Outer neck 31 mm Height 70 mm Standards not in acc. with DIN