(1)material:boro 3.3 (2)joints:14# 19# (3)shape:pear (4)volum:from 10 to 100ml

(1)item:Flask,twoneck ,pear shape

 (2)material:heat resistant 3.3 borosilicate glass

(3)joints:14#19#

(4)types:l0/14,14 25/14,14 50/14,14 100/14,14 100/19,19 25/19,14 50/19,14 100/19,14

(5)We have a great variety of flasks, such as one neck, two neck(bevel), three neck(include bevel), and so on.

2 neck flask pear shape