Delivery Tubes, Borosilicate, Set of 4

A set of 4 variably shaped glass delivery tubes made of Borosilicate 3.3 glass. Interior diameter of each tube is 4 mm and exterior diameter is 6 mm making for a 1 mm thick glass wall. This economically priced, diverse assortment of shapes works for a variety of lab configurations.
Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks.