Narrow neck Erlenmeyer flask, DURAN®, graduation, 800 ml, not in acc. with ISONarrow neck Erlenmeyer flask, DURAN, graduation, 800 ml, not in acc. with ISO Material: DURAN glass. Autoclavable: yes. With retrace code. Graduated. According to ISO 1773 (Art. No. PY97. 1, C136. 1, C138. 1 and XT08. 1 not according to DIN). Technical Information Vol. 800 ml Outer flask 120 mm Outer neck 42 mm Height 200 mm Standards not in acc. with DIN