Set of 4 variably shaped glass delivery tubes made of Borosilicate 3.3 glass. Interior diameter of each tube is 4mm and exterior diameter is 6mm making for a 1mm 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. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.

Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.
Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.