Ai 5L heavy wall, 2-neck round bottom flask with 24/40 and 34/45 standard taper joint. Comes with one vertical 34/45 neck and one angled 24/40 side neck.
Glass material: high borosilicate glass 3.3.
Glassware does not have warranties. Glassware may have minute blemishes that will not affect the function. If you believe there are imperfections on your glassware, please contact us. We check all our inventory and make sure no defective glassware is sent to our customers.